19298680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 46512000

約数和(自身を除く): 27213320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 134, 152, 190, 268, 335, 379, 380, 536, 670, 758, 760, 1273, 1340, 1516, 1895, 2546, 2680, 3032, 3790, 5092, 6365, 7201, 7580, 10184, 12730, 14402, 15160, 25393, 25460, 28804, 36005, 50786, 50920, 57608, 72010, 101572, 126965, 144020, 203144, 253930, 288040, 482467, 507860, 964934, 1015720, 1929868, 2412335, 3859736, 4824670, 9649340, 19298680]

約数ペア:

[(1, 19298680), (2, 9649340), (4, 4824670), (5, 3859736), (8, 2412335), (10, 1929868), (19, 1015720), (20, 964934), (38, 507860), (40, 482467), (67, 288040), (76, 253930), (95, 203144), (134, 144020), (152, 126965), (190, 101572), (268, 72010), (335, 57608), (379, 50920), (380, 50786), (536, 36005), (670, 28804), (758, 25460), (760, 25393), (1273, 15160), (1340, 14402), (1516, 12730), (1895, 10184), (2546, 7580), (2680, 7201), (3032, 6365), (3790, 5092)]