19438320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 67852800

約数和(自身を除く): 48414480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 37, 40, 44, 48, 55, 60, 66, 74, 80, 88, 110, 111, 120, 132, 148, 165, 176, 185, 199, 220, 222, 240, 264, 296, 330, 370, 398, 407, 440, 444, 528, 555, 592, 597, 660, 740, 796, 814, 880, 888, 995, 1110, 1194, 1221, 1320, 1480, 1592, 1628, 1776, 1990, 2035, 2189, 2220, 2388, 2442, 2640, 2960, 2985, 3184, 3256, 3980, 4070, 4378, 4440, 4776, 4884, 5970, 6105, 6512, 6567, 7363, 7960, 8140, 8756, 8880, 9552, 9768, 10945, 11940, 12210, 13134, 14726, 15920, 16280, 17512, 19536, 21890, 22089, 23880, 24420, 26268, 29452, 32560, 32835, 35024, 36815, 43780, 44178, 47760, 48840, 52536, 58904, 65670, 73630, 80993, 87560, 88356, 97680, 105072, 110445, 117808, 131340, 147260, 161986, 175120, 176712, 220890, 242979, 262680, 294520, 323972, 353424, 404965, 441780, 485958, 525360, 589040, 647944, 809930, 883560, 971916, 1214895, 1295888, 1619860, 1767120, 1943832, 2429790, 3239720, 3887664, 4859580, 6479440, 9719160, 19438320]

約数ペア:

[(1, 19438320), (2, 9719160), (3, 6479440), (4, 4859580), (5, 3887664), (6, 3239720), (8, 2429790), (10, 1943832), (11, 1767120), (12, 1619860), (15, 1295888), (16, 1214895), (20, 971916), (22, 883560), (24, 809930), (30, 647944), (33, 589040), (37, 525360), (40, 485958), (44, 441780), (48, 404965), (55, 353424), (60, 323972), (66, 294520), (74, 262680), (80, 242979), (88, 220890), (110, 176712), (111, 175120), (120, 161986), (132, 147260), (148, 131340), (165, 117808), (176, 110445), (185, 105072), (199, 97680), (220, 88356), (222, 87560), (240, 80993), (264, 73630), (296, 65670), (330, 58904), (370, 52536), (398, 48840), (407, 47760), (440, 44178), (444, 43780), (528, 36815), (555, 35024), (592, 32835), (597, 32560), (660, 29452), (740, 26268), (796, 24420), (814, 23880), (880, 22089), (888, 21890), (995, 19536), (1110, 17512), (1194, 16280), (1221, 15920), (1320, 14726), (1480, 13134), (1592, 12210), (1628, 11940), (1776, 10945), (1990, 9768), (2035, 9552), (2189, 8880), (2220, 8756), (2388, 8140), (2442, 7960), (2640, 7363), (2960, 6567), (2985, 6512), (3184, 6105), (3256, 5970), (3980, 4884), (4070, 4776), (4378, 4440)]