18997416

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 56047200

約数和(自身を除く): 37049784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 1543, 2052, 3078, 3086, 4104, 4629, 6156, 6172, 9258, 12312, 12344, 13887, 18516, 27774, 29317, 37032, 41661, 55548, 58634, 83322, 87951, 111096, 117268, 124983, 166644, 175902, 234536, 249966, 263853, 333288, 351804, 499932, 527706, 703608, 791559, 999864, 1055412, 1583118, 2110824, 2374677, 3166236, 4749354, 6332472, 9498708, 18997416]

約数ペア:

[(1, 18997416), (2, 9498708), (3, 6332472), (4, 4749354), (6, 3166236), (8, 2374677), (9, 2110824), (12, 1583118), (18, 1055412), (19, 999864), (24, 791559), (27, 703608), (36, 527706), (38, 499932), (54, 351804), (57, 333288), (72, 263853), (76, 249966), (81, 234536), (108, 175902), (114, 166644), (152, 124983), (162, 117268), (171, 111096), (216, 87951), (228, 83322), (324, 58634), (342, 55548), (456, 41661), (513, 37032), (648, 29317), (684, 27774), (1026, 18516), (1368, 13887), (1539, 12344), (1543, 12312), (2052, 9258), (3078, 6172), (3086, 6156), (4104, 4629)]