18876281470

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{40609}}^1$

素因数の和:40729

約数の個数: 64

約数和(自身を含む): 37051914240

約数和(自身を除く): 18175632770

約数列:

[1, 2, 5, 10, 23, 43, 46, 47, 86, 94, 115, 215, 230, 235, 430, 470, 989, 1081, 1978, 2021, 2162, 4042, 4945, 5405, 9890, 10105, 10810, 20210, 40609, 46483, 81218, 92966, 203045, 232415, 406090, 464830, 934007, 1746187, 1868014, 1908623, 3492374, 3817246, 4670035, 8730935, 9340070, 9543115, 17461870, 19086230, 40162301, 43898329, 80324602, 82070789, 87796658, 164141578, 200811505, 219491645, 401623010, 410353945, 438983290, 820707890, 1887628147, 3775256294, 9438140735, 18876281470]

約数ペア:

[(1, 18876281470), (2, 9438140735), (5, 3775256294), (10, 1887628147), (23, 820707890), (43, 438983290), (46, 410353945), (47, 401623010), (86, 219491645), (94, 200811505), (115, 164141578), (215, 87796658), (230, 82070789), (235, 80324602), (430, 43898329), (470, 40162301), (989, 19086230), (1081, 17461870), (1978, 9543115), (2021, 9340070), (2162, 8730935), (4042, 4670035), (4945, 3817246), (5405, 3492374), (9890, 1908623), (10105, 1868014), (10810, 1746187), (20210, 934007), (40609, 464830), (46483, 406090), (81218, 232415), (92966, 203045)]