18301826

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 31389120

約数和(自身を除く): 13087294

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 323, 646, 691, 697, 779, 1382, 1394, 1558, 11747, 13129, 13243, 23494, 26258, 26486, 28331, 56662, 223193, 446386, 481627, 538289, 963254, 1076578, 9150913, 18301826]

約数ペア:

[(1, 18301826), (2, 9150913), (17, 1076578), (19, 963254), (34, 538289), (38, 481627), (41, 446386), (82, 223193), (323, 56662), (646, 28331), (691, 26486), (697, 26258), (779, 23494), (1382, 13243), (1394, 13129), (1558, 11747)]