19453490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:124

約数の個数: 72

約数和(自身を含む): 43307460

約数和(自身を除く): 23853970

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 37, 49, 58, 70, 74, 98, 145, 185, 203, 245, 259, 290, 370, 406, 490, 518, 1015, 1073, 1295, 1369, 1421, 1813, 2030, 2146, 2590, 2738, 2842, 3626, 5365, 6845, 7105, 7511, 9065, 9583, 10730, 13690, 14210, 15022, 18130, 19166, 37555, 39701, 47915, 52577, 67081, 75110, 79402, 95830, 105154, 134162, 198505, 262885, 277907, 335405, 397010, 525770, 555814, 670810, 1389535, 1945349, 2779070, 3890698, 9726745, 19453490]

約数ペア:

[(1, 19453490), (2, 9726745), (5, 3890698), (7, 2779070), (10, 1945349), (14, 1389535), (29, 670810), (35, 555814), (37, 525770), (49, 397010), (58, 335405), (70, 277907), (74, 262885), (98, 198505), (145, 134162), (185, 105154), (203, 95830), (245, 79402), (259, 75110), (290, 67081), (370, 52577), (406, 47915), (490, 39701), (518, 37555), (1015, 19166), (1073, 18130), (1295, 15022), (1369, 14210), (1421, 13690), (1813, 10730), (2030, 9583), (2146, 9065), (2590, 7511), (2738, 7105), (2842, 6845), (3626, 5365)]