1820194572

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{19717}}^1$

素因数の和:19895

約数の個数: 72

約数和(自身を含む): 4972248624

約数和(自身を除く): 3152054052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 157, 196, 294, 314, 471, 588, 628, 942, 1099, 1884, 2198, 3297, 4396, 6594, 7693, 13188, 15386, 19717, 23079, 30772, 39434, 46158, 59151, 78868, 92316, 118302, 138019, 236604, 276038, 414057, 552076, 828114, 966133, 1656228, 1932266, 2898399, 3095569, 3864532, 5796798, 6191138, 9286707, 11593596, 12382276, 18573414, 21668983, 37146828, 43337966, 65006949, 86675932, 130013898, 151682881, 260027796, 303365762, 455048643, 606731524, 910097286, 1820194572]

約数ペア:

[(1, 1820194572), (2, 910097286), (3, 606731524), (4, 455048643), (6, 303365762), (7, 260027796), (12, 151682881), (14, 130013898), (21, 86675932), (28, 65006949), (42, 43337966), (49, 37146828), (84, 21668983), (98, 18573414), (147, 12382276), (157, 11593596), (196, 9286707), (294, 6191138), (314, 5796798), (471, 3864532), (588, 3095569), (628, 2898399), (942, 1932266), (1099, 1656228), (1884, 966133), (2198, 828114), (3297, 552076), (4396, 414057), (6594, 276038), (7693, 236604), (13188, 138019), (15386, 118302), (19717, 92316), (23079, 78868), (30772, 59151), (39434, 46158)]