18940788

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{30949}}^1$

素因数の和:30976

約数の個数: 36

約数和(自身を含む): 50696100

約数和(自身を除く): 31755312

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 30949, 61898, 92847, 123796, 185694, 278541, 371388, 526133, 557082, 1052266, 1114164, 1578399, 2104532, 3156798, 4735197, 6313596, 9470394, 18940788]

約数ペア:

[(1, 18940788), (2, 9470394), (3, 6313596), (4, 4735197), (6, 3156798), (9, 2104532), (12, 1578399), (17, 1114164), (18, 1052266), (34, 557082), (36, 526133), (51, 371388), (68, 278541), (102, 185694), (153, 123796), (204, 92847), (306, 61898), (612, 30949)]