18728994

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:594

約数の個数: 32

約数和(自身を含む): 38617920

約数和(自身を除く): 19888926

約数列:

[1, 2, 3, 6, 43, 86, 129, 229, 258, 317, 458, 634, 687, 951, 1374, 1902, 9847, 13631, 19694, 27262, 29541, 40893, 59082, 72593, 81786, 145186, 217779, 435558, 3121499, 6242998, 9364497, 18728994]

約数ペア:

[(1, 18728994), (2, 9364497), (3, 6242998), (6, 3121499), (43, 435558), (86, 217779), (129, 145186), (229, 81786), (258, 72593), (317, 59082), (458, 40893), (634, 29541), (687, 27262), (951, 19694), (1374, 13631), (1902, 9847)]