19863260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1489}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 45057600

約数和(自身を除く): 25194340

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1489, 2668, 2978, 3335, 5956, 6670, 7445, 13340, 14890, 29780, 34247, 43181, 68494, 86362, 136988, 171235, 172724, 215905, 342470, 431810, 684940, 863620, 993163, 1986326, 3972652, 4965815, 9931630, 19863260]

約数ペア:

[(1, 19863260), (2, 9931630), (4, 4965815), (5, 3972652), (10, 1986326), (20, 993163), (23, 863620), (29, 684940), (46, 431810), (58, 342470), (92, 215905), (115, 172724), (116, 171235), (145, 136988), (230, 86362), (290, 68494), (460, 43181), (580, 34247), (667, 29780), (1334, 14890), (1489, 13340), (2668, 7445), (2978, 6670), (3335, 5956)]