19020280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 45995040

約数和(自身を除く): 26974760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 337, 340, 415, 664, 674, 680, 830, 1348, 1411, 1660, 1685, 2696, 2822, 3320, 3370, 5644, 5729, 6740, 7055, 11288, 11458, 13480, 14110, 22916, 27971, 28220, 28645, 45832, 55942, 56440, 57290, 111884, 114580, 139855, 223768, 229160, 279710, 475507, 559420, 951014, 1118840, 1902028, 2377535, 3804056, 4755070, 9510140, 19020280]

約数ペア:

[(1, 19020280), (2, 9510140), (4, 4755070), (5, 3804056), (8, 2377535), (10, 1902028), (17, 1118840), (20, 951014), (34, 559420), (40, 475507), (68, 279710), (83, 229160), (85, 223768), (136, 139855), (166, 114580), (170, 111884), (332, 57290), (337, 56440), (340, 55942), (415, 45832), (664, 28645), (674, 28220), (680, 27971), (830, 22916), (1348, 14110), (1411, 13480), (1660, 11458), (1685, 11288), (2696, 7055), (2822, 6740), (3320, 5729), (3370, 5644)]