18927573

素因数分解:

$3^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 29521440

約数和(自身を除く): 10593867

約数列:

[1, 3, 7, 21, 49, 147, 331, 389, 993, 1167, 2317, 2723, 6951, 8169, 16219, 19061, 48657, 57183, 128759, 386277, 901313, 2703939, 6309191, 18927573]

約数ペア:

[(1, 18927573), (3, 6309191), (7, 2703939), (21, 901313), (49, 386277), (147, 128759), (331, 57183), (389, 48657), (993, 19061), (1167, 16219), (2317, 8169), (2723, 6951)]