19939590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1831}}^1$

素因数の和:1866

約数の個数: 72

約数和(自身を含む): 57015504

約数和(自身を除く): 37075914

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 1831, 2178, 3630, 3662, 5445, 5493, 9155, 10890, 10986, 16479, 18310, 20141, 27465, 32958, 40282, 54930, 60423, 82395, 100705, 120846, 164790, 181269, 201410, 221551, 302115, 362538, 443102, 604230, 664653, 906345, 1107755, 1329306, 1812690, 1993959, 2215510, 3323265, 3987918, 6646530, 9969795, 19939590]

約数ペア:

[(1, 19939590), (2, 9969795), (3, 6646530), (5, 3987918), (6, 3323265), (9, 2215510), (10, 1993959), (11, 1812690), (15, 1329306), (18, 1107755), (22, 906345), (30, 664653), (33, 604230), (45, 443102), (55, 362538), (66, 302115), (90, 221551), (99, 201410), (110, 181269), (121, 164790), (165, 120846), (198, 100705), (242, 82395), (330, 60423), (363, 54930), (495, 40282), (605, 32958), (726, 27465), (990, 20141), (1089, 18310), (1210, 16479), (1815, 10986), (1831, 10890), (2178, 9155), (3630, 5493), (3662, 5445)]