19794260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 44585856

約数和(自身を除く): 24791596

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1163, 1702, 2326, 3404, 4255, 4652, 5815, 8510, 11630, 17020, 23260, 26749, 43031, 53498, 86062, 106996, 133745, 172124, 215155, 267490, 430310, 534980, 860620, 989713, 1979426, 3958852, 4948565, 9897130, 19794260]

約数ペア:

[(1, 19794260), (2, 9897130), (4, 4948565), (5, 3958852), (10, 1979426), (20, 989713), (23, 860620), (37, 534980), (46, 430310), (74, 267490), (92, 215155), (115, 172124), (148, 133745), (185, 106996), (230, 86062), (370, 53498), (460, 43031), (740, 26749), (851, 23260), (1163, 17020), (1702, 11630), (2326, 8510), (3404, 5815), (4255, 4652)]