18490428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 52009776

約数和(自身を除く): 33519348

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 53, 66, 99, 106, 132, 159, 198, 212, 318, 396, 477, 583, 636, 881, 954, 1166, 1749, 1762, 1908, 2332, 2643, 3498, 3524, 5247, 5286, 6996, 7929, 9691, 10494, 10572, 15858, 19382, 20988, 29073, 31716, 38764, 46693, 58146, 87219, 93386, 116292, 140079, 174438, 186772, 280158, 348876, 420237, 513623, 560316, 840474, 1027246, 1540869, 1680948, 2054492, 3081738, 4622607, 6163476, 9245214, 18490428]

約数ペア:

[(1, 18490428), (2, 9245214), (3, 6163476), (4, 4622607), (6, 3081738), (9, 2054492), (11, 1680948), (12, 1540869), (18, 1027246), (22, 840474), (33, 560316), (36, 513623), (44, 420237), (53, 348876), (66, 280158), (99, 186772), (106, 174438), (132, 140079), (159, 116292), (198, 93386), (212, 87219), (318, 58146), (396, 46693), (477, 38764), (583, 31716), (636, 29073), (881, 20988), (954, 19382), (1166, 15858), (1749, 10572), (1762, 10494), (1908, 9691), (2332, 7929), (2643, 6996), (3498, 5286), (3524, 5247)]