18184977368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{15641}}^1\times {\mathrm{7649}}^1$

素因数の和:23315

約数の個数: 32

約数和(自身を含む): 35898390000

約数和(自身を除く): 17713412632

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 7649, 15298, 15641, 30596, 31282, 61192, 62564, 125128, 145331, 290662, 297179, 581324, 594358, 1162648, 1188716, 2377432, 119638009, 239276018, 478552036, 957104072, 2273122171, 4546244342, 9092488684, 18184977368]

約数ペア:

[(1, 18184977368), (2, 9092488684), (4, 4546244342), (8, 2273122171), (19, 957104072), (38, 478552036), (76, 239276018), (152, 119638009), (7649, 2377432), (15298, 1188716), (15641, 1162648), (30596, 594358), (31282, 581324), (61192, 297179), (62564, 290662), (125128, 145331)]