18371640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21871}}^1$

素因数の和:21892

約数の個数: 64

約数和(自身を含む): 62991360

約数和(自身を除く): 44619720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21871, 43742, 65613, 87484, 109355, 131226, 153097, 174968, 218710, 262452, 306194, 328065, 437420, 459291, 524904, 612388, 656130, 765485, 874840, 918582, 1224776, 1312260, 1530970, 1837164, 2296455, 2624520, 3061940, 3674328, 4592910, 6123880, 9185820, 18371640]

約数ペア:

[(1, 18371640), (2, 9185820), (3, 6123880), (4, 4592910), (5, 3674328), (6, 3061940), (7, 2624520), (8, 2296455), (10, 1837164), (12, 1530970), (14, 1312260), (15, 1224776), (20, 918582), (21, 874840), (24, 765485), (28, 656130), (30, 612388), (35, 524904), (40, 459291), (42, 437420), (56, 328065), (60, 306194), (70, 262452), (84, 218710), (105, 174968), (120, 153097), (140, 131226), (168, 109355), (210, 87484), (280, 65613), (420, 43742), (840, 21871)]