19480020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46381}}^1$

素因数の和:46400

約数の個数: 48

約数和(自身を含む): 62337408

約数和(自身を除く): 42857388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46381, 92762, 139143, 185524, 231905, 278286, 324667, 463810, 556572, 649334, 695715, 927620, 974001, 1298668, 1391430, 1623335, 1948002, 2782860, 3246670, 3896004, 4870005, 6493340, 9740010, 19480020]

約数ペア:

[(1, 19480020), (2, 9740010), (3, 6493340), (4, 4870005), (5, 3896004), (6, 3246670), (7, 2782860), (10, 1948002), (12, 1623335), (14, 1391430), (15, 1298668), (20, 974001), (21, 927620), (28, 695715), (30, 649334), (35, 556572), (42, 463810), (60, 324667), (70, 278286), (84, 231905), (105, 185524), (140, 139143), (210, 92762), (420, 46381)]