19480916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 42430080

約数和(自身を除く): 22949164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 109, 182, 218, 364, 436, 491, 763, 982, 1417, 1526, 1964, 2834, 3052, 3437, 5668, 6383, 6874, 9919, 12766, 13748, 19838, 25532, 39676, 44681, 53519, 89362, 107038, 178724, 214076, 374633, 695747, 749266, 1391494, 1498532, 2782988, 4870229, 9740458, 19480916]

約数ペア:

[(1, 19480916), (2, 9740458), (4, 4870229), (7, 2782988), (13, 1498532), (14, 1391494), (26, 749266), (28, 695747), (52, 374633), (91, 214076), (109, 178724), (182, 107038), (218, 89362), (364, 53519), (436, 44681), (491, 39676), (763, 25532), (982, 19838), (1417, 13748), (1526, 12766), (1964, 9919), (2834, 6874), (3052, 6383), (3437, 5668)]