19426480

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6563}}^1$

素因数の和:6613

約数の個数: 40

約数和(自身を含む): 46394352

約数和(自身を除く): 26967872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6563, 13126, 26252, 32815, 52504, 65630, 105008, 131260, 242831, 262520, 485662, 525040, 971324, 1214155, 1942648, 2428310, 3885296, 4856620, 9713240, 19426480]

約数ペア:

[(1, 19426480), (2, 9713240), (4, 4856620), (5, 3885296), (8, 2428310), (10, 1942648), (16, 1214155), (20, 971324), (37, 525040), (40, 485662), (74, 262520), (80, 242831), (148, 131260), (185, 105008), (296, 65630), (370, 52504), (592, 32815), (740, 26252), (1480, 13126), (2960, 6563)]