19919412

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1019}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 51979200

約数和(自身を除く): 32059788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 1019, 1086, 1629, 2038, 2172, 3057, 3258, 4076, 4887, 6114, 6516, 9171, 9774, 12228, 18342, 19548, 27513, 36684, 55026, 110052, 184439, 368878, 553317, 737756, 1106634, 1659951, 2213268, 3319902, 4979853, 6639804, 9959706, 19919412]

約数ペア:

[(1, 19919412), (2, 9959706), (3, 6639804), (4, 4979853), (6, 3319902), (9, 2213268), (12, 1659951), (18, 1106634), (27, 737756), (36, 553317), (54, 368878), (108, 184439), (181, 110052), (362, 55026), (543, 36684), (724, 27513), (1019, 19548), (1086, 18342), (1629, 12228), (2038, 9774), (2172, 9171), (3057, 6516), (3258, 6114), (4076, 4887)]