19611018

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1789}}^1$

素因数の和:1836

約数の個数: 64

約数和(自身を含む): 51552000

約数和(自身を除く): 31940982

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 203, 261, 378, 406, 522, 609, 783, 1218, 1566, 1789, 1827, 3578, 3654, 5367, 5481, 10734, 10962, 12523, 16101, 25046, 32202, 37569, 48303, 51881, 75138, 96606, 103762, 112707, 155643, 225414, 311286, 338121, 363167, 466929, 676242, 726334, 933858, 1089501, 1400787, 2179002, 2801574, 3268503, 6537006, 9805509, 19611018]

約数ペア:

[(1, 19611018), (2, 9805509), (3, 6537006), (6, 3268503), (7, 2801574), (9, 2179002), (14, 1400787), (18, 1089501), (21, 933858), (27, 726334), (29, 676242), (42, 466929), (54, 363167), (58, 338121), (63, 311286), (87, 225414), (126, 155643), (174, 112707), (189, 103762), (203, 96606), (261, 75138), (378, 51881), (406, 48303), (522, 37569), (609, 32202), (783, 25046), (1218, 16101), (1566, 12523), (1789, 10962), (1827, 10734), (3578, 5481), (3654, 5367)]