18730908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 54512640

約数和(自身を除く): 35781732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 311, 478, 622, 717, 933, 956, 1244, 1434, 1673, 1866, 2151, 2177, 2799, 2868, 3346, 3732, 4302, 4354, 5019, 5598, 6531, 6692, 8604, 8708, 10038, 11196, 13062, 15057, 19593, 20076, 26124, 30114, 39186, 60228, 74329, 78372, 148658, 222987, 297316, 445974, 520303, 668961, 891948, 1040606, 1337922, 1560909, 2081212, 2675844, 3121818, 4682727, 6243636, 9365454, 18730908]

約数ペア:

[(1, 18730908), (2, 9365454), (3, 6243636), (4, 4682727), (6, 3121818), (7, 2675844), (9, 2081212), (12, 1560909), (14, 1337922), (18, 1040606), (21, 891948), (28, 668961), (36, 520303), (42, 445974), (63, 297316), (84, 222987), (126, 148658), (239, 78372), (252, 74329), (311, 60228), (478, 39186), (622, 30114), (717, 26124), (933, 20076), (956, 19593), (1244, 15057), (1434, 13062), (1673, 11196), (1866, 10038), (2151, 8708), (2177, 8604), (2799, 6692), (2868, 6531), (3346, 5598), (3732, 5019), (4302, 4354)]