18406064

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:945

約数の個数: 40

約数和(自身を含む): 37711872

約数和(自身を除く): 19305808

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 248, 344, 496, 688, 863, 1333, 1726, 2666, 3452, 5332, 6904, 10664, 13808, 21328, 26753, 37109, 53506, 74218, 107012, 148436, 214024, 296872, 428048, 593744, 1150379, 2300758, 4601516, 9203032, 18406064]

約数ペア:

[(1, 18406064), (2, 9203032), (4, 4601516), (8, 2300758), (16, 1150379), (31, 593744), (43, 428048), (62, 296872), (86, 214024), (124, 148436), (172, 107012), (248, 74218), (344, 53506), (496, 37109), (688, 26753), (863, 21328), (1333, 13808), (1726, 10664), (2666, 6904), (3452, 5332)]