18932580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{983}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 58024512

約数和(自身を除く): 39091932

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, 983, 1070, 1284, 1605, 1926, 1966, 2140, 2949, 3210, 3852, 3932, 4815, 4915, 5898, 6420, 8847, 9630, 9830, 11796, 14745, 17694, 19260, 19660, 29490, 35388, 44235, 58980, 88470, 105181, 176940, 210362, 315543, 420724, 525905, 631086, 946629, 1051810, 1262172, 1577715, 1893258, 2103620, 3155430, 3786516, 4733145, 6310860, 9466290, 18932580]

約数ペア:

[(1, 18932580), (2, 9466290), (3, 6310860), (4, 4733145), (5, 3786516), (6, 3155430), (9, 2103620), (10, 1893258), (12, 1577715), (15, 1262172), (18, 1051810), (20, 946629), (30, 631086), (36, 525905), (45, 420724), (60, 315543), (90, 210362), (107, 176940), (180, 105181), (214, 88470), (321, 58980), (428, 44235), (535, 35388), (642, 29490), (963, 19660), (983, 19260), (1070, 17694), (1284, 14745), (1605, 11796), (1926, 9830), (1966, 9630), (2140, 8847), (2949, 6420), (3210, 5898), (3852, 4915), (3932, 4815)]