18959166

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 43175808

約数和(自身を除く): 24216642

約数列:

[1, 2, 3, 6, 9, 18, 31, 61, 62, 93, 122, 183, 186, 279, 366, 549, 557, 558, 1098, 1114, 1671, 1891, 3342, 3782, 5013, 5673, 10026, 11346, 17019, 17267, 33977, 34038, 34534, 51801, 67954, 101931, 103602, 155403, 203862, 305793, 310806, 611586, 1053287, 2106574, 3159861, 6319722, 9479583, 18959166]

約数ペア:

[(1, 18959166), (2, 9479583), (3, 6319722), (6, 3159861), (9, 2106574), (18, 1053287), (31, 611586), (61, 310806), (62, 305793), (93, 203862), (122, 155403), (183, 103602), (186, 101931), (279, 67954), (366, 51801), (549, 34534), (557, 34038), (558, 33977), (1098, 17267), (1114, 17019), (1671, 11346), (1891, 10026), (3342, 5673), (3782, 5013)]