19306900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 45606456

約数和(自身を除く): 26299556

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 41, 50, 68, 82, 85, 100, 164, 170, 205, 277, 340, 410, 425, 554, 697, 820, 850, 1025, 1108, 1385, 1394, 1700, 2050, 2770, 2788, 3485, 4100, 4709, 5540, 6925, 6970, 9418, 11357, 13850, 13940, 17425, 18836, 22714, 23545, 27700, 34850, 45428, 47090, 56785, 69700, 94180, 113570, 117725, 193069, 227140, 235450, 283925, 386138, 470900, 567850, 772276, 965345, 1135700, 1930690, 3861380, 4826725, 9653450, 19306900]

約数ペア:

[(1, 19306900), (2, 9653450), (4, 4826725), (5, 3861380), (10, 1930690), (17, 1135700), (20, 965345), (25, 772276), (34, 567850), (41, 470900), (50, 386138), (68, 283925), (82, 235450), (85, 227140), (100, 193069), (164, 117725), (170, 113570), (205, 94180), (277, 69700), (340, 56785), (410, 47090), (425, 45428), (554, 34850), (697, 27700), (820, 23545), (850, 22714), (1025, 18836), (1108, 17425), (1385, 13940), (1394, 13850), (1700, 11357), (2050, 9418), (2770, 6970), (2788, 6925), (3485, 5540), (4100, 4709)]