18273640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 36158360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 349, 374, 385, 440, 476, 595, 616, 680, 698, 748, 770, 935, 952, 1190, 1309, 1396, 1496, 1540, 1745, 1870, 2380, 2443, 2618, 2792, 3080, 3490, 3740, 3839, 4760, 4886, 5236, 5933, 6545, 6980, 7480, 7678, 9772, 10472, 11866, 12215, 13090, 13960, 15356, 19195, 19544, 23732, 24430, 26180, 26873, 29665, 30712, 38390, 41531, 47464, 48860, 52360, 53746, 59330, 65263, 76780, 83062, 97720, 107492, 118660, 130526, 134365, 153560, 166124, 207655, 214984, 237320, 261052, 268730, 326315, 332248, 415310, 456841, 522104, 537460, 652630, 830620, 913682, 1074920, 1305260, 1661240, 1827364, 2284205, 2610520, 3654728, 4568410, 9136820, 18273640]

約数ペア:

[(1, 18273640), (2, 9136820), (4, 4568410), (5, 3654728), (7, 2610520), (8, 2284205), (10, 1827364), (11, 1661240), (14, 1305260), (17, 1074920), (20, 913682), (22, 830620), (28, 652630), (34, 537460), (35, 522104), (40, 456841), (44, 415310), (55, 332248), (56, 326315), (68, 268730), (70, 261052), (77, 237320), (85, 214984), (88, 207655), (110, 166124), (119, 153560), (136, 134365), (140, 130526), (154, 118660), (170, 107492), (187, 97720), (220, 83062), (238, 76780), (280, 65263), (308, 59330), (340, 53746), (349, 52360), (374, 48860), (385, 47464), (440, 41531), (476, 38390), (595, 30712), (616, 29665), (680, 26873), (698, 26180), (748, 24430), (770, 23732), (935, 19544), (952, 19195), (1190, 15356), (1309, 13960), (1396, 13090), (1496, 12215), (1540, 11866), (1745, 10472), (1870, 9772), (2380, 7678), (2443, 7480), (2618, 6980), (2792, 6545), (3080, 5933), (3490, 5236), (3740, 4886), (3839, 4760)]