19483568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2061

約数の個数: 40

約数和(自身を含む): 41539008

約数和(自身を除く): 22055440

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 1993, 2444, 3986, 4888, 7972, 9776, 15944, 25909, 31888, 51818, 93671, 103636, 187342, 207272, 374684, 414544, 749368, 1217723, 1498736, 2435446, 4870892, 9741784, 19483568]

約数ペア:

[(1, 19483568), (2, 9741784), (4, 4870892), (8, 2435446), (13, 1498736), (16, 1217723), (26, 749368), (47, 414544), (52, 374684), (94, 207272), (104, 187342), (188, 103636), (208, 93671), (376, 51818), (611, 31888), (752, 25909), (1222, 15944), (1993, 9776), (2444, 7972), (3986, 4888)]