18969696368

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8914331}}^1$

素因数の和:8914365

約数の個数: 40

約数和(自身を含む): 44215086720

約数和(自身を除く): 25245390352

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8914331, 17828662, 35657324, 62400317, 71314648, 124800634, 142629296, 169372289, 249601268, 338744578, 499202536, 677489156, 998405072, 1185606023, 1354978312, 2371212046, 2709956624, 4742424092, 9484848184, 18969696368]

約数ペア:

[(1, 18969696368), (2, 9484848184), (4, 4742424092), (7, 2709956624), (8, 2371212046), (14, 1354978312), (16, 1185606023), (19, 998405072), (28, 677489156), (38, 499202536), (56, 338744578), (76, 249601268), (112, 169372289), (133, 142629296), (152, 124800634), (266, 71314648), (304, 62400317), (532, 35657324), (1064, 17828662), (2128, 8914331)]