19187792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3181}}^1$

素因数の和:3231

約数の個数: 40

約数和(自身を含む): 41429640

約数和(自身を除く): 22241848

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3181, 6032, 6362, 12724, 25448, 41353, 50896, 82706, 92249, 165412, 184498, 330824, 368996, 661648, 737992, 1199237, 1475984, 2398474, 4796948, 9593896, 19187792]

約数ペア:

[(1, 19187792), (2, 9593896), (4, 4796948), (8, 2398474), (13, 1475984), (16, 1199237), (26, 737992), (29, 661648), (52, 368996), (58, 330824), (104, 184498), (116, 165412), (208, 92249), (232, 82706), (377, 50896), (464, 41353), (754, 25448), (1508, 12724), (3016, 6362), (3181, 6032)]