18945690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 47440512

約数和(自身を除く): 28494822

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 73, 82, 123, 146, 205, 211, 219, 246, 365, 410, 422, 438, 615, 633, 730, 1055, 1095, 1230, 1266, 2110, 2190, 2993, 3165, 5986, 6330, 8651, 8979, 14965, 15403, 17302, 17958, 25953, 29930, 30806, 43255, 44895, 46209, 51906, 77015, 86510, 89790, 92418, 129765, 154030, 231045, 259530, 462090, 631523, 1263046, 1894569, 3157615, 3789138, 6315230, 9472845, 18945690]

約数ペア:

[(1, 18945690), (2, 9472845), (3, 6315230), (5, 3789138), (6, 3157615), (10, 1894569), (15, 1263046), (30, 631523), (41, 462090), (73, 259530), (82, 231045), (123, 154030), (146, 129765), (205, 92418), (211, 89790), (219, 86510), (246, 77015), (365, 51906), (410, 46209), (422, 44895), (438, 43255), (615, 30806), (633, 29930), (730, 25953), (1055, 17958), (1095, 17302), (1230, 15403), (1266, 14965), (2110, 8979), (2190, 8651), (2993, 6330), (3165, 5986)]