19171516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1754

約数の個数: 48

約数和(自身を含む): 42649600

約数和(自身を除く): 23478084

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1699, 2821, 3398, 5642, 6796, 11284, 11893, 22087, 23786, 44174, 47572, 52669, 88348, 105338, 154609, 210676, 309218, 368683, 618436, 684697, 737366, 1369394, 1474732, 2738788, 4792879, 9585758, 19171516]

約数ペア:

[(1, 19171516), (2, 9585758), (4, 4792879), (7, 2738788), (13, 1474732), (14, 1369394), (26, 737366), (28, 684697), (31, 618436), (52, 368683), (62, 309218), (91, 210676), (124, 154609), (182, 105338), (217, 88348), (364, 52669), (403, 47572), (434, 44174), (806, 23786), (868, 22087), (1612, 11893), (1699, 11284), (2821, 6796), (3398, 5642)]