18859860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3613}}^1$

素因数の和:3657

約数の個数: 72

約数和(自身を含む): 59197320

約数和(自身を除く): 40337460

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, 3613, 5220, 7226, 10839, 14452, 18065, 21678, 32517, 36130, 43356, 54195, 65034, 72260, 104777, 108390, 130068, 162585, 209554, 216780, 314331, 325170, 419108, 523885, 628662, 650340, 942993, 1047770, 1257324, 1571655, 1885986, 2095540, 3143310, 3771972, 4714965, 6286620, 9429930, 18859860]

約数ペア:

[(1, 18859860), (2, 9429930), (3, 6286620), (4, 4714965), (5, 3771972), (6, 3143310), (9, 2095540), (10, 1885986), (12, 1571655), (15, 1257324), (18, 1047770), (20, 942993), (29, 650340), (30, 628662), (36, 523885), (45, 419108), (58, 325170), (60, 314331), (87, 216780), (90, 209554), (116, 162585), (145, 130068), (174, 108390), (180, 104777), (261, 72260), (290, 65034), (348, 54195), (435, 43356), (522, 36130), (580, 32517), (870, 21678), (1044, 18065), (1305, 14452), (1740, 10839), (2610, 7226), (3613, 5220)]