15661928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{617}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 31147200

約数和(自身を除く): 15485272

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 617, 668, 1234, 1336, 2468, 3173, 4936, 6346, 11723, 12692, 23446, 25384, 46892, 93784, 103039, 206078, 412156, 824312, 1957741, 3915482, 7830964, 15661928]

約数ペア:

[(1, 15661928), (2, 7830964), (4, 3915482), (8, 1957741), (19, 824312), (38, 412156), (76, 206078), (152, 103039), (167, 93784), (334, 46892), (617, 25384), (668, 23446), (1234, 12692), (1336, 11723), (2468, 6346), (3173, 4936)]