19746080

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{739}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 46992960

約数和(自身を除く): 27246880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 739, 835, 1336, 1478, 1670, 2672, 2956, 3340, 3695, 5344, 5912, 6680, 7390, 11824, 13360, 14780, 23648, 26720, 29560, 59120, 118240, 123413, 246826, 493652, 617065, 987304, 1234130, 1974608, 2468260, 3949216, 4936520, 9873040, 19746080]

約数ペア:

[(1, 19746080), (2, 9873040), (4, 4936520), (5, 3949216), (8, 2468260), (10, 1974608), (16, 1234130), (20, 987304), (32, 617065), (40, 493652), (80, 246826), (160, 123413), (167, 118240), (334, 59120), (668, 29560), (739, 26720), (835, 23648), (1336, 14780), (1478, 13360), (1670, 11824), (2672, 7390), (2956, 6680), (3340, 5912), (3695, 5344)]