18055510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 38257920

約数和(自身を除く): 20202410

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 53, 55, 95, 106, 110, 163, 190, 209, 265, 326, 418, 530, 583, 815, 1007, 1045, 1166, 1630, 1793, 2014, 2090, 2915, 3097, 3586, 5035, 5830, 6194, 8639, 8965, 10070, 11077, 15485, 17278, 17930, 22154, 30970, 34067, 43195, 55385, 68134, 86390, 95029, 110770, 164141, 170335, 190058, 328282, 340670, 475145, 820705, 950290, 1641410, 1805551, 3611102, 9027755, 18055510]

約数ペア:

[(1, 18055510), (2, 9027755), (5, 3611102), (10, 1805551), (11, 1641410), (19, 950290), (22, 820705), (38, 475145), (53, 340670), (55, 328282), (95, 190058), (106, 170335), (110, 164141), (163, 110770), (190, 95029), (209, 86390), (265, 68134), (326, 55385), (418, 43195), (530, 34067), (583, 30970), (815, 22154), (1007, 17930), (1045, 17278), (1166, 15485), (1630, 11077), (1793, 10070), (2014, 8965), (2090, 8639), (2915, 6194), (3097, 5830), (3586, 5035)]