18877860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 60821376

約数和(自身を除く): 41943516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 258, 270, 271, 324, 387, 405, 430, 516, 540, 542, 645, 774, 810, 813, 860, 1084, 1161, 1290, 1355, 1548, 1620, 1626, 1935, 2322, 2439, 2580, 2710, 3252, 3483, 3870, 4065, 4644, 4878, 5420, 5805, 6966, 7317, 7740, 8130, 9756, 11610, 11653, 12195, 13932, 14634, 16260, 17415, 21951, 23220, 23306, 24390, 29268, 34830, 34959, 36585, 43902, 46612, 48780, 58265, 69660, 69918, 73170, 87804, 104877, 109755, 116530, 139836, 146340, 174795, 209754, 219510, 233060, 314631, 349590, 419508, 439020, 524385, 629262, 699180, 943893, 1048770, 1258524, 1573155, 1887786, 2097540, 3146310, 3775572, 4719465, 6292620, 9438930, 18877860]

約数ペア:

[(1, 18877860), (2, 9438930), (3, 6292620), (4, 4719465), (5, 3775572), (6, 3146310), (9, 2097540), (10, 1887786), (12, 1573155), (15, 1258524), (18, 1048770), (20, 943893), (27, 699180), (30, 629262), (36, 524385), (43, 439020), (45, 419508), (54, 349590), (60, 314631), (81, 233060), (86, 219510), (90, 209754), (108, 174795), (129, 146340), (135, 139836), (162, 116530), (172, 109755), (180, 104877), (215, 87804), (258, 73170), (270, 69918), (271, 69660), (324, 58265), (387, 48780), (405, 46612), (430, 43902), (516, 36585), (540, 34959), (542, 34830), (645, 29268), (774, 24390), (810, 23306), (813, 23220), (860, 21951), (1084, 17415), (1161, 16260), (1290, 14634), (1355, 13932), (1548, 12195), (1620, 11653), (1626, 11610), (1935, 9756), (2322, 8130), (2439, 7740), (2580, 7317), (2710, 6966), (3252, 5805), (3483, 5420), (3870, 4878), (4065, 4644)]