18293240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 47692800

約数和(自身を除く): 29399560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 827, 1106, 1580, 1654, 2212, 2765, 3160, 3308, 4135, 4424, 5530, 5789, 6616, 8270, 11060, 11578, 16540, 22120, 23156, 28945, 33080, 46312, 57890, 65333, 115780, 130666, 231560, 261332, 326665, 457331, 522664, 653330, 914662, 1306660, 1829324, 2286655, 2613320, 3658648, 4573310, 9146620, 18293240]

約数ペア:

[(1, 18293240), (2, 9146620), (4, 4573310), (5, 3658648), (7, 2613320), (8, 2286655), (10, 1829324), (14, 1306660), (20, 914662), (28, 653330), (35, 522664), (40, 457331), (56, 326665), (70, 261332), (79, 231560), (140, 130666), (158, 115780), (280, 65333), (316, 57890), (395, 46312), (553, 33080), (632, 28945), (790, 23156), (827, 22120), (1106, 16540), (1580, 11578), (1654, 11060), (2212, 8270), (2765, 6616), (3160, 5789), (3308, 5530), (4135, 4424)]