19376390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 40919040

約数和(自身を除く): 21542650

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 73, 95, 110, 127, 146, 190, 209, 254, 365, 418, 635, 730, 803, 1045, 1270, 1387, 1397, 1606, 2090, 2413, 2774, 2794, 4015, 4826, 6935, 6985, 8030, 9271, 12065, 13870, 13970, 15257, 18542, 24130, 26543, 30514, 46355, 53086, 76285, 92710, 101981, 132715, 152570, 176149, 203962, 265430, 352298, 509905, 880745, 1019810, 1761490, 1937639, 3875278, 9688195, 19376390]

約数ペア:

[(1, 19376390), (2, 9688195), (5, 3875278), (10, 1937639), (11, 1761490), (19, 1019810), (22, 880745), (38, 509905), (55, 352298), (73, 265430), (95, 203962), (110, 176149), (127, 152570), (146, 132715), (190, 101981), (209, 92710), (254, 76285), (365, 53086), (418, 46355), (635, 30514), (730, 26543), (803, 24130), (1045, 18542), (1270, 15257), (1387, 13970), (1397, 13870), (1606, 12065), (2090, 9271), (2413, 8030), (2774, 6985), (2794, 6935), (4015, 4826)]