18985140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3637}}^1$

素因数の和:3681

約数の個数: 72

約数和(自身を含む): 59590440

約数和(自身を除く): 40605300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3637, 5220, 7274, 10911, 14548, 18185, 21822, 32733, 36370, 43644, 54555, 65466, 72740, 105473, 109110, 130932, 163665, 210946, 218220, 316419, 327330, 421892, 527365, 632838, 654660, 949257, 1054730, 1265676, 1582095, 1898514, 2109460, 3164190, 3797028, 4746285, 6328380, 9492570, 18985140]

約数ペア:

[(1, 18985140), (2, 9492570), (3, 6328380), (4, 4746285), (5, 3797028), (6, 3164190), (9, 2109460), (10, 1898514), (12, 1582095), (15, 1265676), (18, 1054730), (20, 949257), (29, 654660), (30, 632838), (36, 527365), (45, 421892), (58, 327330), (60, 316419), (87, 218220), (90, 210946), (116, 163665), (145, 130932), (174, 109110), (180, 105473), (261, 72740), (290, 65466), (348, 54555), (435, 43644), (522, 36370), (580, 32733), (870, 21822), (1044, 18185), (1305, 14548), (1740, 10911), (2610, 7274), (3637, 5220)]