19934880

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:391

約数の個数: 192

約数和(自身を含む): 76204800

約数和(自身を除く): 56269920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 160, 168, 170, 204, 210, 224, 238, 240, 255, 272, 280, 336, 340, 349, 357, 408, 420, 476, 480, 510, 544, 560, 595, 672, 680, 698, 714, 816, 840, 952, 1020, 1047, 1120, 1190, 1360, 1396, 1428, 1632, 1680, 1745, 1785, 1904, 2040, 2094, 2380, 2443, 2720, 2792, 2856, 3360, 3490, 3570, 3808, 4080, 4188, 4760, 4886, 5235, 5584, 5712, 5933, 6980, 7140, 7329, 8160, 8376, 9520, 9772, 10470, 11168, 11424, 11866, 12215, 13960, 14280, 14658, 16752, 17799, 19040, 19544, 20940, 23732, 24430, 27920, 28560, 29316, 29665, 33504, 35598, 36645, 39088, 41531, 41880, 47464, 48860, 55840, 57120, 58632, 59330, 71196, 73290, 78176, 83062, 83760, 88995, 94928, 97720, 117264, 118660, 124593, 142392, 146580, 166124, 167520, 177990, 189856, 195440, 207655, 234528, 237320, 249186, 284784, 293160, 332248, 355980, 390880, 415310, 474640, 498372, 569568, 586320, 622965, 664496, 711960, 830620, 949280, 996744, 1172640, 1245930, 1328992, 1423920, 1661240, 1993488, 2491860, 2847840, 3322480, 3986976, 4983720, 6644960, 9967440, 19934880]

約数ペア:

[(1, 19934880), (2, 9967440), (3, 6644960), (4, 4983720), (5, 3986976), (6, 3322480), (7, 2847840), (8, 2491860), (10, 1993488), (12, 1661240), (14, 1423920), (15, 1328992), (16, 1245930), (17, 1172640), (20, 996744), (21, 949280), (24, 830620), (28, 711960), (30, 664496), (32, 622965), (34, 586320), (35, 569568), (40, 498372), (42, 474640), (48, 415310), (51, 390880), (56, 355980), (60, 332248), (68, 293160), (70, 284784), (80, 249186), (84, 237320), (85, 234528), (96, 207655), (102, 195440), (105, 189856), (112, 177990), (119, 167520), (120, 166124), (136, 146580), (140, 142392), (160, 124593), (168, 118660), (170, 117264), (204, 97720), (210, 94928), (224, 88995), (238, 83760), (240, 83062), (255, 78176), (272, 73290), (280, 71196), (336, 59330), (340, 58632), (349, 57120), (357, 55840), (408, 48860), (420, 47464), (476, 41880), (480, 41531), (510, 39088), (544, 36645), (560, 35598), (595, 33504), (672, 29665), (680, 29316), (698, 28560), (714, 27920), (816, 24430), (840, 23732), (952, 20940), (1020, 19544), (1047, 19040), (1120, 17799), (1190, 16752), (1360, 14658), (1396, 14280), (1428, 13960), (1632, 12215), (1680, 11866), (1745, 11424), (1785, 11168), (1904, 10470), (2040, 9772), (2094, 9520), (2380, 8376), (2443, 8160), (2720, 7329), (2792, 7140), (2856, 6980), (3360, 5933), (3490, 5712), (3570, 5584), (3808, 5235), (4080, 4886), (4188, 4760)]