20181615545

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{61519}}^1$

素因数の和:61654

約数の個数: 48

約数和(自身を含む): 30634007040

約数和(自身を除く): 10452391495

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 103, 245, 455, 515, 637, 721, 1339, 3185, 3605, 5047, 6695, 9373, 25235, 46865, 61519, 65611, 307595, 328055, 430633, 799747, 2153165, 3014431, 3998735, 5598229, 6336457, 15072155, 27991145, 31682285, 39187603, 44355199, 82373941, 195938015, 221775995, 310486393, 411869705, 576617587, 1552431965, 2883087935, 4036323109, 20181615545]

約数ペア:

[(1, 20181615545), (5, 4036323109), (7, 2883087935), (13, 1552431965), (35, 576617587), (49, 411869705), (65, 310486393), (91, 221775995), (103, 195938015), (245, 82373941), (455, 44355199), (515, 39187603), (637, 31682285), (721, 27991145), (1339, 15072155), (3185, 6336457), (3605, 5598229), (5047, 3998735), (6695, 3014431), (9373, 2153165), (25235, 799747), (46865, 430633), (61519, 328055), (65611, 307595)]