18152420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 45201912

約数和(自身を除く): 27049492

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 577, 605, 715, 1154, 1210, 1430, 1573, 2308, 2420, 2860, 2885, 3146, 5770, 6292, 6347, 7501, 7865, 11540, 12694, 15002, 15730, 25388, 30004, 31460, 31735, 37505, 63470, 69817, 75010, 82511, 126940, 139634, 150020, 165022, 279268, 330044, 349085, 412555, 698170, 825110, 907621, 1396340, 1650220, 1815242, 3630484, 4538105, 9076210, 18152420]

約数ペア:

[(1, 18152420), (2, 9076210), (4, 4538105), (5, 3630484), (10, 1815242), (11, 1650220), (13, 1396340), (20, 907621), (22, 825110), (26, 698170), (44, 412555), (52, 349085), (55, 330044), (65, 279268), (110, 165022), (121, 150020), (130, 139634), (143, 126940), (220, 82511), (242, 75010), (260, 69817), (286, 63470), (484, 37505), (572, 31735), (577, 31460), (605, 30004), (715, 25388), (1154, 15730), (1210, 15002), (1430, 12694), (1573, 11540), (2308, 7865), (2420, 7501), (2860, 6347), (2885, 6292), (3146, 5770)]