19495124

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 40098240

約数和(自身を除く): 20603116

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 67, 68, 134, 187, 268, 374, 389, 737, 748, 778, 1139, 1474, 1556, 2278, 2948, 4279, 4556, 6613, 8558, 12529, 13226, 17116, 25058, 26063, 26452, 50116, 52126, 72743, 104252, 145486, 286693, 290972, 443071, 573386, 886142, 1146772, 1772284, 4873781, 9747562, 19495124]

約数ペア:

[(1, 19495124), (2, 9747562), (4, 4873781), (11, 1772284), (17, 1146772), (22, 886142), (34, 573386), (44, 443071), (67, 290972), (68, 286693), (134, 145486), (187, 104252), (268, 72743), (374, 52126), (389, 50116), (737, 26452), (748, 26063), (778, 25058), (1139, 17116), (1474, 13226), (1556, 12529), (2278, 8558), (2948, 6613), (4279, 4556)]