19156515632

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{120779}}^1$

素因数の和:121241

約数の個数: 40

約数和(自身を含む): 38819658240

約数和(自身を除く): 19663142608

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 431, 862, 1724, 3448, 6896, 9913, 19826, 39652, 79304, 120779, 158608, 241558, 483116, 966232, 1932464, 2777917, 5555834, 11111668, 22223336, 44446672, 52055749, 104111498, 208222996, 416445992, 832891984, 1197282227, 2394564454, 4789128908, 9578257816, 19156515632]

約数ペア:

[(1, 19156515632), (2, 9578257816), (4, 4789128908), (8, 2394564454), (16, 1197282227), (23, 832891984), (46, 416445992), (92, 208222996), (184, 104111498), (368, 52055749), (431, 44446672), (862, 22223336), (1724, 11111668), (3448, 5555834), (6896, 2777917), (9913, 1932464), (19826, 966232), (39652, 483116), (79304, 241558), (120779, 158608)]