18180684

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 49559328

約数和(自身を除く): 31378644

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 61, 68, 102, 122, 153, 183, 204, 244, 306, 366, 487, 549, 612, 732, 974, 1037, 1098, 1461, 1948, 2074, 2196, 2922, 3111, 4148, 4383, 5844, 6222, 8279, 8766, 9333, 12444, 16558, 17532, 18666, 24837, 29707, 33116, 37332, 49674, 59414, 74511, 89121, 99348, 118828, 149022, 178242, 267363, 298044, 356484, 505019, 534726, 1010038, 1069452, 1515057, 2020076, 3030114, 4545171, 6060228, 9090342, 18180684]

約数ペア:

[(1, 18180684), (2, 9090342), (3, 6060228), (4, 4545171), (6, 3030114), (9, 2020076), (12, 1515057), (17, 1069452), (18, 1010038), (34, 534726), (36, 505019), (51, 356484), (61, 298044), (68, 267363), (102, 178242), (122, 149022), (153, 118828), (183, 99348), (204, 89121), (244, 74511), (306, 59414), (366, 49674), (487, 37332), (549, 33116), (612, 29707), (732, 24837), (974, 18666), (1037, 17532), (1098, 16558), (1461, 12444), (1948, 9333), (2074, 8766), (2196, 8279), (2922, 6222), (3111, 5844), (4148, 4383)]