19395320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{613}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 50397120

約数和(自身を除く): 31001800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 613, 791, 904, 1130, 1226, 1582, 2260, 2452, 3065, 3164, 3955, 4291, 4520, 4904, 6130, 6328, 7910, 8582, 12260, 15820, 17164, 21455, 24520, 31640, 34328, 42910, 69269, 85820, 138538, 171640, 277076, 346345, 484883, 554152, 692690, 969766, 1385380, 1939532, 2424415, 2770760, 3879064, 4848830, 9697660, 19395320]

約数ペア:

[(1, 19395320), (2, 9697660), (4, 4848830), (5, 3879064), (7, 2770760), (8, 2424415), (10, 1939532), (14, 1385380), (20, 969766), (28, 692690), (35, 554152), (40, 484883), (56, 346345), (70, 277076), (113, 171640), (140, 138538), (226, 85820), (280, 69269), (452, 42910), (565, 34328), (613, 31640), (791, 24520), (904, 21455), (1130, 17164), (1226, 15820), (1582, 12260), (2260, 8582), (2452, 7910), (3065, 6328), (3164, 6130), (3955, 4904), (4291, 4520)]