19298349

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 34714368

約数和(自身を除く): 15416019

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 259, 333, 357, 487, 629, 777, 1071, 1461, 1887, 2331, 3409, 4383, 4403, 5661, 8279, 10227, 13209, 18019, 24837, 30681, 39627, 54057, 57953, 74511, 126133, 162171, 173859, 306323, 378399, 521577, 918969, 1135197, 2144261, 2756907, 6432783, 19298349]

約数ペア:

[(1, 19298349), (3, 6432783), (7, 2756907), (9, 2144261), (17, 1135197), (21, 918969), (37, 521577), (51, 378399), (63, 306323), (111, 173859), (119, 162171), (153, 126133), (259, 74511), (333, 57953), (357, 54057), (487, 39627), (629, 30681), (777, 24837), (1071, 18019), (1461, 13209), (1887, 10227), (2331, 8279), (3409, 5661), (4383, 4403)]