19988696

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27457}}^1$

素因数の和:27483

約数の個数: 32

約数和(自身を含む): 46129440

約数和(自身を除く): 26140744

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27457, 54914, 109828, 192199, 219656, 356941, 384398, 713882, 768796, 1427764, 1537592, 2498587, 2855528, 4997174, 9994348, 19988696]

約数ペア:

[(1, 19988696), (2, 9994348), (4, 4997174), (7, 2855528), (8, 2498587), (13, 1537592), (14, 1427764), (26, 768796), (28, 713882), (52, 384398), (56, 356941), (91, 219656), (104, 192199), (182, 109828), (364, 54914), (728, 27457)]