19179990

素因数分解:

$2^1\times 3^7\times 5^1\times {\mathrm{877}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 51837120

約数和(自身を除く): 32657130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 729, 810, 877, 1215, 1458, 1754, 2187, 2430, 2631, 3645, 4374, 4385, 5262, 7290, 7893, 8770, 10935, 13155, 15786, 21870, 23679, 26310, 39465, 47358, 71037, 78930, 118395, 142074, 213111, 236790, 355185, 426222, 639333, 710370, 1065555, 1278666, 1917999, 2131110, 3196665, 3835998, 6393330, 9589995, 19179990]

約数ペア:

[(1, 19179990), (2, 9589995), (3, 6393330), (5, 3835998), (6, 3196665), (9, 2131110), (10, 1917999), (15, 1278666), (18, 1065555), (27, 710370), (30, 639333), (45, 426222), (54, 355185), (81, 236790), (90, 213111), (135, 142074), (162, 118395), (243, 78930), (270, 71037), (405, 47358), (486, 39465), (729, 26310), (810, 23679), (877, 21870), (1215, 15786), (1458, 13155), (1754, 10935), (2187, 8770), (2430, 7893), (2631, 7290), (3645, 5262), (4374, 4385)]