18415216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 19885904

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 79, 136, 158, 272, 316, 632, 857, 1264, 1343, 1714, 2686, 3428, 5372, 6856, 10744, 13712, 14569, 21488, 29138, 58276, 67703, 116552, 135406, 233104, 270812, 541624, 1083248, 1150951, 2301902, 4603804, 9207608, 18415216]

約数ペア:

[(1, 18415216), (2, 9207608), (4, 4603804), (8, 2301902), (16, 1150951), (17, 1083248), (34, 541624), (68, 270812), (79, 233104), (136, 135406), (158, 116552), (272, 67703), (316, 58276), (632, 29138), (857, 21488), (1264, 14569), (1343, 13712), (1714, 10744), (2686, 6856), (3428, 5372)]