18991064

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{773}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 37059120

約数和(自身を除く): 18068056

約数列:

[1, 2, 4, 8, 37, 74, 83, 148, 166, 296, 332, 664, 773, 1546, 3071, 3092, 6142, 6184, 12284, 24568, 28601, 57202, 64159, 114404, 128318, 228808, 256636, 513272, 2373883, 4747766, 9495532, 18991064]

約数ペア:

[(1, 18991064), (2, 9495532), (4, 4747766), (8, 2373883), (37, 513272), (74, 256636), (83, 228808), (148, 128318), (166, 114404), (296, 64159), (332, 57202), (664, 28601), (773, 24568), (1546, 12284), (3071, 6184), (3092, 6142)]