18486540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3313}}^1$

素因数の和:3359

約数の個数: 72

約数和(自身を含む): 57902208

約数和(自身を除く): 39415668

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, 3313, 5580, 6626, 9939, 13252, 16565, 19878, 29817, 33130, 39756, 49695, 59634, 66260, 99390, 102703, 119268, 149085, 198780, 205406, 298170, 308109, 410812, 513515, 596340, 616218, 924327, 1027030, 1232436, 1540545, 1848654, 2054060, 3081090, 3697308, 4621635, 6162180, 9243270, 18486540]

約数ペア:

[(1, 18486540), (2, 9243270), (3, 6162180), (4, 4621635), (5, 3697308), (6, 3081090), (9, 2054060), (10, 1848654), (12, 1540545), (15, 1232436), (18, 1027030), (20, 924327), (30, 616218), (31, 596340), (36, 513515), (45, 410812), (60, 308109), (62, 298170), (90, 205406), (93, 198780), (124, 149085), (155, 119268), (180, 102703), (186, 99390), (279, 66260), (310, 59634), (372, 49695), (465, 39756), (558, 33130), (620, 29817), (930, 19878), (1116, 16565), (1395, 13252), (1860, 9939), (2790, 6626), (3313, 5580)]