19969260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1381}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 56186592

約数和(自身を除く): 36217332

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1381, 1446, 2410, 2762, 2892, 3615, 4143, 4820, 5524, 6905, 7230, 8286, 13810, 14460, 16572, 20715, 27620, 41430, 82860, 332821, 665642, 998463, 1331284, 1664105, 1996926, 3328210, 3993852, 4992315, 6656420, 9984630, 19969260]

約数ペア:

[(1, 19969260), (2, 9984630), (3, 6656420), (4, 4992315), (5, 3993852), (6, 3328210), (10, 1996926), (12, 1664105), (15, 1331284), (20, 998463), (30, 665642), (60, 332821), (241, 82860), (482, 41430), (723, 27620), (964, 20715), (1205, 16572), (1381, 14460), (1446, 13810), (2410, 8286), (2762, 7230), (2892, 6905), (3615, 5524), (4143, 4820)]