1938690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1683

約数の個数: 48

約数和(自身を含む): 5431608

約数和(自身を除く): 3492918

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 1657, 3314, 4971, 8285, 9942, 14913, 16570, 21541, 24855, 29826, 43082, 49710, 64623, 74565, 107705, 129246, 149130, 193869, 215410, 323115, 387738, 646230, 969345, 1938690]

約数ペア:

[(1, 1938690), (2, 969345), (3, 646230), (5, 387738), (6, 323115), (9, 215410), (10, 193869), (13, 149130), (15, 129246), (18, 107705), (26, 74565), (30, 64623), (39, 49710), (45, 43082), (65, 29826), (78, 24855), (90, 21541), (117, 16570), (130, 14913), (195, 9942), (234, 8285), (390, 4971), (585, 3314), (1170, 1657)]