19855944

素因数分解:

$2^3\times 3^2\times {\mathrm{211}}^1\times {\mathrm{1307}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 54072720

約数和(自身を除く): 34216776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 211, 422, 633, 844, 1266, 1307, 1688, 1899, 2532, 2614, 3798, 3921, 5064, 5228, 7596, 7842, 10456, 11763, 15192, 15684, 23526, 31368, 47052, 94104, 275777, 551554, 827331, 1103108, 1654662, 2206216, 2481993, 3309324, 4963986, 6618648, 9927972, 19855944]

約数ペア:

[(1, 19855944), (2, 9927972), (3, 6618648), (4, 4963986), (6, 3309324), (8, 2481993), (9, 2206216), (12, 1654662), (18, 1103108), (24, 827331), (36, 551554), (72, 275777), (211, 94104), (422, 47052), (633, 31368), (844, 23526), (1266, 15684), (1307, 15192), (1688, 11763), (1899, 10456), (2532, 7842), (2614, 7596), (3798, 5228), (3921, 5064)]