18553880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24413}}^1$

素因数の和:24443

約数の個数: 32

約数和(自身を含む): 43945200

約数和(自身を除く): 25391320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 24413, 48826, 97652, 122065, 195304, 244130, 463847, 488260, 927694, 976520, 1855388, 2319235, 3710776, 4638470, 9276940, 18553880]

約数ペア:

[(1, 18553880), (2, 9276940), (4, 4638470), (5, 3710776), (8, 2319235), (10, 1855388), (19, 976520), (20, 927694), (38, 488260), (40, 463847), (76, 244130), (95, 195304), (152, 122065), (190, 97652), (380, 48826), (760, 24413)]