18817020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1099

約数の個数: 72

約数和(自身を含む): 57670704

約数和(自身を除く): 38853684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 977, 1070, 1284, 1605, 1926, 1954, 2140, 2931, 3210, 3852, 3908, 4815, 4885, 5862, 6420, 8793, 9630, 9770, 11724, 14655, 17586, 19260, 19540, 29310, 35172, 43965, 58620, 87930, 104539, 175860, 209078, 313617, 418156, 522695, 627234, 940851, 1045390, 1254468, 1568085, 1881702, 2090780, 3136170, 3763404, 4704255, 6272340, 9408510, 18817020]

約数ペア:

[(1, 18817020), (2, 9408510), (3, 6272340), (4, 4704255), (5, 3763404), (6, 3136170), (9, 2090780), (10, 1881702), (12, 1568085), (15, 1254468), (18, 1045390), (20, 940851), (30, 627234), (36, 522695), (45, 418156), (60, 313617), (90, 209078), (107, 175860), (180, 104539), (214, 87930), (321, 58620), (428, 43965), (535, 35172), (642, 29310), (963, 19540), (977, 19260), (1070, 17586), (1284, 14655), (1605, 11724), (1926, 9770), (1954, 9630), (2140, 8793), (2931, 6420), (3210, 5862), (3852, 4885), (3908, 4815)]