18927639

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 28454400

約数和(自身を除く): 9526761

約数列:

[1, 3, 9, 31, 93, 179, 279, 379, 537, 1137, 1611, 3411, 5549, 11749, 16647, 35247, 49941, 67841, 105741, 203523, 610569, 2103071, 6309213, 18927639]

約数ペア:

[(1, 18927639), (3, 6309213), (9, 2103071), (31, 610569), (93, 203523), (179, 105741), (279, 67841), (379, 49941), (537, 35247), (1137, 16647), (1611, 11749), (3411, 5549)]