19234720

素因数分解:

$2^5\times 5^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 26488160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239, 478, 503, 956, 1006, 1195, 1912, 2012, 2390, 2515, 3824, 4024, 4780, 5030, 7648, 8048, 9560, 10060, 16096, 19120, 20120, 38240, 40240, 80480, 120217, 240434, 480868, 601085, 961736, 1202170, 1923472, 2404340, 3846944, 4808680, 9617360, 19234720]

約数ペア:

[(1, 19234720), (2, 9617360), (4, 4808680), (5, 3846944), (8, 2404340), (10, 1923472), (16, 1202170), (20, 961736), (32, 601085), (40, 480868), (80, 240434), (160, 120217), (239, 80480), (478, 40240), (503, 38240), (956, 20120), (1006, 19120), (1195, 16096), (1912, 10060), (2012, 9560), (2390, 8048), (2515, 7648), (3824, 5030), (4024, 4780)]