18834851516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{17509}}^1$

素因数の和:17814

約数の個数: 48

約数和(自身を含む): 35994396480

約数和(自身を除く): 17159544964

約数列:

[1, 2, 4, 13, 26, 52, 137, 151, 274, 302, 548, 604, 1781, 1963, 3562, 3926, 7124, 7852, 17509, 20687, 35018, 41374, 70036, 82748, 227617, 268931, 455234, 537862, 910468, 1075724, 2398733, 2643859, 4797466, 5287718, 9594932, 10575436, 31183529, 34370167, 62367058, 68740334, 124734116, 137480668, 362208683, 724417366, 1448834732, 4708712879, 9417425758, 18834851516]

約数ペア:

[(1, 18834851516), (2, 9417425758), (4, 4708712879), (13, 1448834732), (26, 724417366), (52, 362208683), (137, 137480668), (151, 124734116), (274, 68740334), (302, 62367058), (548, 34370167), (604, 31183529), (1781, 10575436), (1963, 9594932), (3562, 5287718), (3926, 4797466), (7124, 2643859), (7852, 2398733), (17509, 1075724), (20687, 910468), (35018, 537862), (41374, 455234), (70036, 268931), (82748, 227617)]