19816242

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 40569984

約数和(自身を除く): 20753742

約数列:

[1, 2, 3, 6, 71, 142, 181, 213, 257, 362, 426, 514, 543, 771, 1086, 1542, 12851, 18247, 25702, 36494, 38553, 46517, 54741, 77106, 93034, 109482, 139551, 279102, 3302707, 6605414, 9908121, 19816242]

約数ペア:

[(1, 19816242), (2, 9908121), (3, 6605414), (6, 3302707), (71, 279102), (142, 139551), (181, 109482), (213, 93034), (257, 77106), (362, 54741), (426, 46517), (514, 38553), (543, 36494), (771, 25702), (1086, 18247), (1542, 12851)]