19993263134

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{508243}}^1$

素因数の和:508364

約数の個数: 32

約数和(自身を含む): 34580921760

約数和(自身を除く): 14587658626

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 1157, 1513, 2314, 3026, 19669, 39338, 508243, 1016486, 6607159, 8640131, 13214318, 17280262, 45233627, 90467254, 112321703, 224643406, 588037151, 768971659, 1176074302, 1537943318, 9996631567, 19993263134]

約数ペア:

[(1, 19993263134), (2, 9996631567), (13, 1537943318), (17, 1176074302), (26, 768971659), (34, 588037151), (89, 224643406), (178, 112321703), (221, 90467254), (442, 45233627), (1157, 17280262), (1513, 13214318), (2314, 8640131), (3026, 6607159), (19669, 1016486), (39338, 508243)]