19156826

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 36

約数和(自身を含む): 33048702

約数和(自身を除く): 13891876

約数列:

[1, 2, 13, 19, 26, 38, 157, 169, 247, 314, 338, 361, 494, 722, 2041, 2983, 3211, 4082, 4693, 5966, 6422, 9386, 26533, 38779, 53066, 56677, 61009, 77558, 113354, 122018, 504127, 736801, 1008254, 1473602, 9578413, 19156826]

約数ペア:

[(1, 19156826), (2, 9578413), (13, 1473602), (19, 1008254), (26, 736801), (38, 504127), (157, 122018), (169, 113354), (247, 77558), (314, 61009), (338, 56677), (361, 53066), (494, 38779), (722, 26533), (2041, 9386), (2983, 6422), (3211, 5966), (4082, 4693)]