18112060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 21627332

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 223, 262, 310, 446, 524, 620, 655, 892, 1115, 1310, 2230, 2620, 4061, 4460, 6913, 8122, 13826, 16244, 20305, 27652, 29213, 34565, 40610, 58426, 69130, 81220, 116852, 138260, 146065, 292130, 584260, 905603, 1811206, 3622412, 4528015, 9056030, 18112060]

約数ペア:

[(1, 18112060), (2, 9056030), (4, 4528015), (5, 3622412), (10, 1811206), (20, 905603), (31, 584260), (62, 292130), (124, 146065), (131, 138260), (155, 116852), (223, 81220), (262, 69130), (310, 58426), (446, 40610), (524, 34565), (620, 29213), (655, 27652), (892, 20305), (1115, 16244), (1310, 13826), (2230, 8122), (2620, 6913), (4061, 4460)]