18903144

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 52113600

約数和(自身を除く): 33210456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1409, 1677, 2236, 2818, 3354, 4227, 4472, 5636, 6708, 8454, 11272, 13416, 16908, 18317, 33816, 36634, 54951, 60587, 73268, 109902, 121174, 146536, 181761, 219804, 242348, 363522, 439608, 484696, 727044, 787631, 1454088, 1575262, 2362893, 3150524, 4725786, 6301048, 9451572, 18903144]

約数ペア:

[(1, 18903144), (2, 9451572), (3, 6301048), (4, 4725786), (6, 3150524), (8, 2362893), (12, 1575262), (13, 1454088), (24, 787631), (26, 727044), (39, 484696), (43, 439608), (52, 363522), (78, 242348), (86, 219804), (104, 181761), (129, 146536), (156, 121174), (172, 109902), (258, 73268), (312, 60587), (344, 54951), (516, 36634), (559, 33816), (1032, 18317), (1118, 16908), (1409, 13416), (1677, 11272), (2236, 8454), (2818, 6708), (3354, 5636), (4227, 4472)]