18938085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3229}}^1$

素因数の和:3277

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 14550555

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 3229, 5865, 9687, 16145, 48435, 54893, 74267, 164679, 222801, 274465, 371335, 823395, 1114005, 1262539, 3787617, 6312695, 18938085]

約数ペア:

[(1, 18938085), (3, 6312695), (5, 3787617), (15, 1262539), (17, 1114005), (23, 823395), (51, 371335), (69, 274465), (85, 222801), (115, 164679), (255, 74267), (345, 54893), (391, 48435), (1173, 16145), (1955, 9687), (3229, 5865)]