19628210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6521}}^1$

素因数の和:6578

約数の個数: 32

約数和(自身を含む): 41323392

約数和(自身を除く): 21695182

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6521, 13042, 32605, 45647, 65210, 91294, 228235, 280403, 456470, 560806, 1402015, 1962821, 2804030, 3925642, 9814105, 19628210]

約数ペア:

[(1, 19628210), (2, 9814105), (5, 3925642), (7, 2804030), (10, 1962821), (14, 1402015), (35, 560806), (43, 456470), (70, 280403), (86, 228235), (215, 91294), (301, 65210), (430, 45647), (602, 32605), (1505, 13042), (3010, 6521)]