18574880

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6829}}^1$

素因数の和:6861

約数の個数: 48

約数和(自身を含む): 46471320

約数和(自身を除く): 27896440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 6829, 13658, 27316, 34145, 54632, 68290, 109264, 116093, 136580, 218528, 232186, 273160, 464372, 546320, 580465, 928744, 1092640, 1160930, 1857488, 2321860, 3714976, 4643720, 9287440, 18574880]

約数ペア:

[(1, 18574880), (2, 9287440), (4, 4643720), (5, 3714976), (8, 2321860), (10, 1857488), (16, 1160930), (17, 1092640), (20, 928744), (32, 580465), (34, 546320), (40, 464372), (68, 273160), (80, 232186), (85, 218528), (136, 136580), (160, 116093), (170, 109264), (272, 68290), (340, 54632), (544, 34145), (680, 27316), (1360, 13658), (2720, 6829)]