19165040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5843}}^1$

素因数の和:5897

約数の個数: 40

約数和(自身を含む): 45653328

約数和(自身を除く): 26488288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5843, 11686, 23372, 29215, 46744, 58430, 93488, 116860, 233720, 239563, 467440, 479126, 958252, 1197815, 1916504, 2395630, 3833008, 4791260, 9582520, 19165040]

約数ペア:

[(1, 19165040), (2, 9582520), (4, 4791260), (5, 3833008), (8, 2395630), (10, 1916504), (16, 1197815), (20, 958252), (40, 479126), (41, 467440), (80, 239563), (82, 233720), (164, 116860), (205, 93488), (328, 58430), (410, 46744), (656, 29215), (820, 23372), (1640, 11686), (3280, 5843)]