19756960

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 96

約数和(自身を含む): 50379840

約数和(自身を除く): 30622880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 67, 76, 80, 95, 97, 134, 152, 160, 190, 194, 268, 304, 335, 380, 388, 485, 536, 608, 670, 760, 776, 970, 1072, 1273, 1340, 1520, 1552, 1843, 1940, 2144, 2546, 2680, 3040, 3104, 3686, 3880, 5092, 5360, 6365, 6499, 7372, 7760, 9215, 10184, 10720, 12730, 12998, 14744, 15520, 18430, 20368, 25460, 25996, 29488, 32495, 36860, 40736, 50920, 51992, 58976, 64990, 73720, 101840, 103984, 123481, 129980, 147440, 203680, 207968, 246962, 259960, 294880, 493924, 519920, 617405, 987848, 1039840, 1234810, 1975696, 2469620, 3951392, 4939240, 9878480, 19756960]

約数ペア:

[(1, 19756960), (2, 9878480), (4, 4939240), (5, 3951392), (8, 2469620), (10, 1975696), (16, 1234810), (19, 1039840), (20, 987848), (32, 617405), (38, 519920), (40, 493924), (67, 294880), (76, 259960), (80, 246962), (95, 207968), (97, 203680), (134, 147440), (152, 129980), (160, 123481), (190, 103984), (194, 101840), (268, 73720), (304, 64990), (335, 58976), (380, 51992), (388, 50920), (485, 40736), (536, 36860), (608, 32495), (670, 29488), (760, 25996), (776, 25460), (970, 20368), (1072, 18430), (1273, 15520), (1340, 14744), (1520, 12998), (1552, 12730), (1843, 10720), (1940, 10184), (2144, 9215), (2546, 7760), (2680, 7372), (3040, 6499), (3104, 6365), (3686, 5360), (3880, 5092)]