19635778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 32408640

約数和(自身を除く): 12772862

約数列:

[1, 2, 19, 38, 43, 61, 86, 122, 197, 394, 817, 1159, 1634, 2318, 2623, 3743, 5246, 7486, 8471, 12017, 16942, 24034, 49837, 99674, 160949, 228323, 321898, 456646, 516731, 1033462, 9817889, 19635778]

約数ペア:

[(1, 19635778), (2, 9817889), (19, 1033462), (38, 516731), (43, 456646), (61, 321898), (86, 228323), (122, 160949), (197, 99674), (394, 49837), (817, 24034), (1159, 16942), (1634, 12017), (2318, 8471), (2623, 7486), (3743, 5246)]