18805530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 47397888

約数和(自身を除く): 28592358

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 73, 93, 146, 155, 186, 219, 277, 310, 365, 438, 465, 554, 730, 831, 930, 1095, 1385, 1662, 2190, 2263, 2770, 4155, 4526, 6789, 8310, 8587, 11315, 13578, 17174, 20221, 22630, 25761, 33945, 40442, 42935, 51522, 60663, 67890, 85870, 101105, 121326, 128805, 202210, 257610, 303315, 606630, 626851, 1253702, 1880553, 3134255, 3761106, 6268510, 9402765, 18805530]

約数ペア:

[(1, 18805530), (2, 9402765), (3, 6268510), (5, 3761106), (6, 3134255), (10, 1880553), (15, 1253702), (30, 626851), (31, 606630), (62, 303315), (73, 257610), (93, 202210), (146, 128805), (155, 121326), (186, 101105), (219, 85870), (277, 67890), (310, 60663), (365, 51522), (438, 42935), (465, 40442), (554, 33945), (730, 25761), (831, 22630), (930, 20221), (1095, 17174), (1385, 13578), (1662, 11315), (2190, 8587), (2263, 8310), (2770, 6789), (4155, 4526)]