18772710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:533

約数の個数: 64

約数和(自身を含む): 49593600

約数和(自身を除く): 30820890

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 163, 165, 326, 330, 349, 489, 698, 815, 978, 1047, 1630, 1745, 1793, 2094, 2445, 3490, 3586, 3839, 4890, 5235, 5379, 7678, 8965, 10470, 10758, 11517, 17930, 19195, 23034, 26895, 38390, 53790, 56887, 57585, 113774, 115170, 170661, 284435, 341322, 568870, 625757, 853305, 1251514, 1706610, 1877271, 3128785, 3754542, 6257570, 9386355, 18772710]

約数ペア:

[(1, 18772710), (2, 9386355), (3, 6257570), (5, 3754542), (6, 3128785), (10, 1877271), (11, 1706610), (15, 1251514), (22, 853305), (30, 625757), (33, 568870), (55, 341322), (66, 284435), (110, 170661), (163, 115170), (165, 113774), (326, 57585), (330, 56887), (349, 53790), (489, 38390), (698, 26895), (815, 23034), (978, 19195), (1047, 17930), (1630, 11517), (1745, 10758), (1793, 10470), (2094, 8965), (2445, 7678), (3490, 5379), (3586, 5235), (3839, 4890)]