18393180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23581}}^1$

素因数の和:23606

約数の個数: 48

約数和(自身を含む): 55464864

約数和(自身を除く): 37071684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23581, 47162, 70743, 94324, 117905, 141486, 235810, 282972, 306553, 353715, 471620, 613106, 707430, 919659, 1226212, 1414860, 1532765, 1839318, 3065530, 3678636, 4598295, 6131060, 9196590, 18393180]

約数ペア:

[(1, 18393180), (2, 9196590), (3, 6131060), (4, 4598295), (5, 3678636), (6, 3065530), (10, 1839318), (12, 1532765), (13, 1414860), (15, 1226212), (20, 919659), (26, 707430), (30, 613106), (39, 471620), (52, 353715), (60, 306553), (65, 282972), (78, 235810), (130, 141486), (156, 117905), (195, 94324), (260, 70743), (390, 47162), (780, 23581)]