2148786

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 5029440

約数和(自身を除く): 2880654

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 103, 114, 122, 171, 183, 206, 309, 342, 366, 549, 618, 927, 1098, 1159, 1854, 1957, 2318, 3477, 3914, 5871, 6283, 6954, 10431, 11742, 12566, 17613, 18849, 20862, 35226, 37698, 56547, 113094, 119377, 238754, 358131, 716262, 1074393, 2148786]

約数ペア:

[(1, 2148786), (2, 1074393), (3, 716262), (6, 358131), (9, 238754), (18, 119377), (19, 113094), (38, 56547), (57, 37698), (61, 35226), (103, 20862), (114, 18849), (122, 17613), (171, 12566), (183, 11742), (206, 10431), (309, 6954), (342, 6283), (366, 5871), (549, 3914), (618, 3477), (927, 2318), (1098, 1957), (1159, 1854)]