19129680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^2$

素因数の和:345

約数の個数: 90

約数和(自身を含む): 64640394

約数和(自身を除く): 45510714

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1304, 1467, 1630, 1956, 2445, 2608, 2934, 3260, 3912, 4890, 5868, 6520, 7335, 7824, 9780, 11736, 13040, 14670, 19560, 23472, 26569, 29340, 39120, 53138, 58680, 79707, 106276, 117360, 132845, 159414, 212552, 239121, 265690, 318828, 398535, 425104, 478242, 531380, 637656, 797070, 956484, 1062760, 1195605, 1275312, 1594140, 1912968, 2125520, 2391210, 3188280, 3825936, 4782420, 6376560, 9564840, 19129680]

約数ペア:

[(1, 19129680), (2, 9564840), (3, 6376560), (4, 4782420), (5, 3825936), (6, 3188280), (8, 2391210), (9, 2125520), (10, 1912968), (12, 1594140), (15, 1275312), (16, 1195605), (18, 1062760), (20, 956484), (24, 797070), (30, 637656), (36, 531380), (40, 478242), (45, 425104), (48, 398535), (60, 318828), (72, 265690), (80, 239121), (90, 212552), (120, 159414), (144, 132845), (163, 117360), (180, 106276), (240, 79707), (326, 58680), (360, 53138), (489, 39120), (652, 29340), (720, 26569), (815, 23472), (978, 19560), (1304, 14670), (1467, 13040), (1630, 11736), (1956, 9780), (2445, 7824), (2608, 7335), (2934, 6520), (3260, 5868), (3912, 4890)]