18199140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 53343360

約数和(自身を除く): 35144220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 59, 60, 97, 106, 118, 159, 177, 194, 212, 236, 265, 291, 295, 318, 354, 388, 485, 530, 582, 590, 636, 708, 795, 885, 970, 1060, 1164, 1180, 1455, 1590, 1770, 1940, 2910, 3127, 3180, 3540, 5141, 5723, 5820, 6254, 9381, 10282, 11446, 12508, 15423, 15635, 17169, 18762, 20564, 22892, 25705, 28615, 30846, 31270, 34338, 37524, 46905, 51410, 57230, 61692, 62540, 68676, 77115, 85845, 93810, 102820, 114460, 154230, 171690, 187620, 303319, 308460, 343380, 606638, 909957, 1213276, 1516595, 1819914, 3033190, 3639828, 4549785, 6066380, 9099570, 18199140]

約数ペア:

[(1, 18199140), (2, 9099570), (3, 6066380), (4, 4549785), (5, 3639828), (6, 3033190), (10, 1819914), (12, 1516595), (15, 1213276), (20, 909957), (30, 606638), (53, 343380), (59, 308460), (60, 303319), (97, 187620), (106, 171690), (118, 154230), (159, 114460), (177, 102820), (194, 93810), (212, 85845), (236, 77115), (265, 68676), (291, 62540), (295, 61692), (318, 57230), (354, 51410), (388, 46905), (485, 37524), (530, 34338), (582, 31270), (590, 30846), (636, 28615), (708, 25705), (795, 22892), (885, 20564), (970, 18762), (1060, 17169), (1164, 15635), (1180, 15423), (1455, 12508), (1590, 11446), (1770, 10282), (1940, 9381), (2910, 6254), (3127, 5820), (3180, 5723), (3540, 5141)]