19358648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1039}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 38750400

約数和(自身を除く): 19391752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 1039, 1096, 2078, 2329, 4156, 4658, 8312, 9316, 17663, 18632, 35326, 70652, 141304, 142343, 284686, 569372, 1138744, 2419831, 4839662, 9679324, 19358648]

約数ペア:

[(1, 19358648), (2, 9679324), (4, 4839662), (8, 2419831), (17, 1138744), (34, 569372), (68, 284686), (136, 142343), (137, 141304), (274, 70652), (548, 35326), (1039, 18632), (1096, 17663), (2078, 9316), (2329, 8312), (4156, 4658)]