18737919

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 29204480

約数和(自身を除く): 10466561

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 279, 367, 549, 837, 1101, 1647, 1891, 3303, 5673, 9909, 11377, 17019, 22387, 34131, 51057, 67161, 102393, 201483, 307179, 604449, 693997, 2081991, 6245973, 18737919]

約数ペア:

[(1, 18737919), (3, 6245973), (9, 2081991), (27, 693997), (31, 604449), (61, 307179), (93, 201483), (183, 102393), (279, 67161), (367, 51057), (549, 34131), (837, 22387), (1101, 17019), (1647, 11377), (1891, 9909), (3303, 5673)]