19926180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3571}}^1$

素因数の和:3617

約数の個数: 72

約数和(自身を含む): 62409984

約数和(自身を除く): 42483804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3571, 5580, 7142, 10713, 14284, 17855, 21426, 32139, 35710, 42852, 53565, 64278, 71420, 107130, 110701, 128556, 160695, 214260, 221402, 321390, 332103, 442804, 553505, 642780, 664206, 996309, 1107010, 1328412, 1660515, 1992618, 2214020, 3321030, 3985236, 4981545, 6642060, 9963090, 19926180]

約数ペア:

[(1, 19926180), (2, 9963090), (3, 6642060), (4, 4981545), (5, 3985236), (6, 3321030), (9, 2214020), (10, 1992618), (12, 1660515), (15, 1328412), (18, 1107010), (20, 996309), (30, 664206), (31, 642780), (36, 553505), (45, 442804), (60, 332103), (62, 321390), (90, 221402), (93, 214260), (124, 160695), (155, 128556), (180, 110701), (186, 107130), (279, 71420), (310, 64278), (372, 53565), (465, 42852), (558, 35710), (620, 32139), (930, 21426), (1116, 17855), (1395, 14284), (1860, 10713), (2790, 7142), (3571, 5580)]