19210672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4861}}^1$

素因数の和:4901

約数の個数: 40

約数和(自身を含む): 42202160

約数和(自身を除く): 22991488

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4861, 9722, 19444, 38888, 63193, 77776, 92359, 126386, 184718, 252772, 369436, 505544, 738872, 1011088, 1200667, 1477744, 2401334, 4802668, 9605336, 19210672]

約数ペア:

[(1, 19210672), (2, 9605336), (4, 4802668), (8, 2401334), (13, 1477744), (16, 1200667), (19, 1011088), (26, 738872), (38, 505544), (52, 369436), (76, 252772), (104, 184718), (152, 126386), (208, 92359), (247, 77776), (304, 63193), (494, 38888), (988, 19444), (1976, 9722), (3952, 4861)]