18426780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{613}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 56320992

約数和(自身を除く): 37894212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 501, 613, 668, 835, 1002, 1226, 1503, 1670, 1839, 2004, 2452, 2505, 3006, 3065, 3340, 3678, 5010, 5517, 6012, 6130, 7356, 7515, 9195, 10020, 11034, 12260, 15030, 18390, 22068, 27585, 30060, 36780, 55170, 102371, 110340, 204742, 307113, 409484, 511855, 614226, 921339, 1023710, 1228452, 1535565, 1842678, 2047420, 3071130, 3685356, 4606695, 6142260, 9213390, 18426780]

約数ペア:

[(1, 18426780), (2, 9213390), (3, 6142260), (4, 4606695), (5, 3685356), (6, 3071130), (9, 2047420), (10, 1842678), (12, 1535565), (15, 1228452), (18, 1023710), (20, 921339), (30, 614226), (36, 511855), (45, 409484), (60, 307113), (90, 204742), (167, 110340), (180, 102371), (334, 55170), (501, 36780), (613, 30060), (668, 27585), (835, 22068), (1002, 18390), (1226, 15030), (1503, 12260), (1670, 11034), (1839, 10020), (2004, 9195), (2452, 7515), (2505, 7356), (3006, 6130), (3065, 6012), (3340, 5517), (3678, 5010)]