18577060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 43013376

約数和(自身を除く): 24436316

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 83, 95, 124, 155, 166, 190, 310, 332, 361, 380, 415, 589, 620, 722, 830, 1178, 1444, 1577, 1660, 1805, 2356, 2573, 2945, 3154, 3610, 5146, 5890, 6308, 7220, 7885, 10292, 11191, 11780, 12865, 15770, 22382, 25730, 29963, 31540, 44764, 48887, 51460, 55955, 59926, 97774, 111910, 119852, 149815, 195548, 223820, 244435, 299630, 488870, 599260, 928853, 977740, 1857706, 3715412, 4644265, 9288530, 18577060]

約数ペア:

[(1, 18577060), (2, 9288530), (4, 4644265), (5, 3715412), (10, 1857706), (19, 977740), (20, 928853), (31, 599260), (38, 488870), (62, 299630), (76, 244435), (83, 223820), (95, 195548), (124, 149815), (155, 119852), (166, 111910), (190, 97774), (310, 59926), (332, 55955), (361, 51460), (380, 48887), (415, 44764), (589, 31540), (620, 29963), (722, 25730), (830, 22382), (1178, 15770), (1444, 12865), (1577, 11780), (1660, 11191), (1805, 10292), (2356, 7885), (2573, 7220), (2945, 6308), (3154, 5890), (3610, 5146)]