18915363396

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{112103}}^1$

素因数の和:112265

約数の個数: 72

約数和(自身を含む): 49375085760

約数和(自身を除く): 30459722364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 109, 129, 172, 218, 258, 327, 387, 436, 516, 654, 774, 981, 1308, 1548, 1962, 3924, 4687, 9374, 14061, 18748, 28122, 42183, 56244, 84366, 112103, 168732, 224206, 336309, 448412, 672618, 1008927, 1345236, 2017854, 4035708, 4820429, 9640858, 12219227, 14461287, 19281716, 24438454, 28922574, 36657681, 43383861, 48876908, 57845148, 73315362, 86767722, 109973043, 146630724, 173535444, 219946086, 439892172, 525426761, 1050853522, 1576280283, 2101707044, 3152560566, 4728840849, 6305121132, 9457681698, 18915363396]

約数ペア:

[(1, 18915363396), (2, 9457681698), (3, 6305121132), (4, 4728840849), (6, 3152560566), (9, 2101707044), (12, 1576280283), (18, 1050853522), (36, 525426761), (43, 439892172), (86, 219946086), (109, 173535444), (129, 146630724), (172, 109973043), (218, 86767722), (258, 73315362), (327, 57845148), (387, 48876908), (436, 43383861), (516, 36657681), (654, 28922574), (774, 24438454), (981, 19281716), (1308, 14461287), (1548, 12219227), (1962, 9640858), (3924, 4820429), (4687, 4035708), (9374, 2017854), (14061, 1345236), (18748, 1008927), (28122, 672618), (42183, 448412), (56244, 336309), (84366, 224206), (112103, 168732)]