18688950

素因数分解:

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

素因数の和:391

約数の個数: 144

約数和(自身を含む): 60933600

約数和(自身を除く): 42244650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 25, 30, 34, 35, 42, 45, 50, 51, 63, 70, 75, 85, 90, 102, 105, 119, 126, 150, 153, 170, 175, 210, 225, 238, 255, 306, 315, 349, 350, 357, 425, 450, 510, 525, 595, 630, 698, 714, 765, 850, 1047, 1050, 1071, 1190, 1275, 1530, 1575, 1745, 1785, 2094, 2142, 2443, 2550, 2975, 3141, 3150, 3490, 3570, 3825, 4886, 5235, 5355, 5933, 5950, 6282, 7329, 7650, 8725, 8925, 10470, 10710, 11866, 12215, 14658, 15705, 17450, 17799, 17850, 21987, 24430, 26175, 26775, 29665, 31410, 35598, 36645, 41531, 43974, 52350, 53397, 53550, 59330, 61075, 73290, 78525, 83062, 88995, 106794, 109935, 122150, 124593, 148325, 157050, 177990, 183225, 207655, 219870, 249186, 266985, 296650, 366450, 373779, 415310, 444975, 533970, 549675, 622965, 747558, 889950, 1038275, 1099350, 1245930, 1334925, 1868895, 2076550, 2669850, 3114825, 3737790, 6229650, 9344475, 18688950]

約数ペア:

[(1, 18688950), (2, 9344475), (3, 6229650), (5, 3737790), (6, 3114825), (7, 2669850), (9, 2076550), (10, 1868895), (14, 1334925), (15, 1245930), (17, 1099350), (18, 1038275), (21, 889950), (25, 747558), (30, 622965), (34, 549675), (35, 533970), (42, 444975), (45, 415310), (50, 373779), (51, 366450), (63, 296650), (70, 266985), (75, 249186), (85, 219870), (90, 207655), (102, 183225), (105, 177990), (119, 157050), (126, 148325), (150, 124593), (153, 122150), (170, 109935), (175, 106794), (210, 88995), (225, 83062), (238, 78525), (255, 73290), (306, 61075), (315, 59330), (349, 53550), (350, 53397), (357, 52350), (425, 43974), (450, 41531), (510, 36645), (525, 35598), (595, 31410), (630, 29665), (698, 26775), (714, 26175), (765, 24430), (850, 21987), (1047, 17850), (1050, 17799), (1071, 17450), (1190, 15705), (1275, 14658), (1530, 12215), (1575, 11866), (1745, 10710), (1785, 10470), (2094, 8925), (2142, 8725), (2443, 7650), (2550, 7329), (2975, 6282), (3141, 5950), (3150, 5933), (3490, 5355), (3570, 5235), (3825, 4886)]