18896792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 21538408

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 71, 76, 103, 136, 142, 152, 206, 284, 323, 412, 568, 646, 824, 1207, 1292, 1349, 1751, 1957, 2414, 2584, 2698, 3502, 3914, 4828, 5396, 7004, 7313, 7828, 9656, 10792, 14008, 14626, 15656, 22933, 29252, 33269, 45866, 58504, 66538, 91732, 124321, 133076, 138947, 183464, 248642, 266152, 277894, 497284, 555788, 994568, 1111576, 2362099, 4724198, 9448396, 18896792]

約数ペア:

[(1, 18896792), (2, 9448396), (4, 4724198), (8, 2362099), (17, 1111576), (19, 994568), (34, 555788), (38, 497284), (68, 277894), (71, 266152), (76, 248642), (103, 183464), (136, 138947), (142, 133076), (152, 124321), (206, 91732), (284, 66538), (323, 58504), (412, 45866), (568, 33269), (646, 29252), (824, 22933), (1207, 15656), (1292, 14626), (1349, 14008), (1751, 10792), (1957, 9656), (2414, 7828), (2584, 7313), (2698, 7004), (3502, 5396), (3914, 4828)]