18348540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^2$

素因数の和:184

約数の個数: 108

約数和(自身を含む): 60529896

約数和(自身を除く): 42181356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 79, 84, 98, 105, 140, 147, 158, 196, 210, 237, 245, 294, 316, 395, 420, 474, 490, 553, 588, 735, 790, 948, 980, 1106, 1185, 1470, 1580, 1659, 2212, 2370, 2765, 2940, 3318, 3871, 4740, 5530, 6241, 6636, 7742, 8295, 11060, 11613, 12482, 15484, 16590, 18723, 19355, 23226, 24964, 31205, 33180, 37446, 38710, 43687, 46452, 58065, 62410, 74892, 77420, 87374, 93615, 116130, 124820, 131061, 174748, 187230, 218435, 232260, 262122, 305809, 374460, 436870, 524244, 611618, 655305, 873740, 917427, 1223236, 1310610, 1529045, 1834854, 2621220, 3058090, 3669708, 4587135, 6116180, 9174270, 18348540]

約数ペア:

[(1, 18348540), (2, 9174270), (3, 6116180), (4, 4587135), (5, 3669708), (6, 3058090), (7, 2621220), (10, 1834854), (12, 1529045), (14, 1310610), (15, 1223236), (20, 917427), (21, 873740), (28, 655305), (30, 611618), (35, 524244), (42, 436870), (49, 374460), (60, 305809), (70, 262122), (79, 232260), (84, 218435), (98, 187230), (105, 174748), (140, 131061), (147, 124820), (158, 116130), (196, 93615), (210, 87374), (237, 77420), (245, 74892), (294, 62410), (316, 58065), (395, 46452), (420, 43687), (474, 38710), (490, 37446), (553, 33180), (588, 31205), (735, 24964), (790, 23226), (948, 19355), (980, 18723), (1106, 16590), (1185, 15484), (1470, 12482), (1580, 11613), (1659, 11060), (2212, 8295), (2370, 7742), (2765, 6636), (2940, 6241), (3318, 5530), (3871, 4740)]