19268120

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 45636480

約数和(自身を除く): 26368360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 277, 296, 370, 376, 470, 554, 740, 940, 1108, 1385, 1480, 1739, 1880, 2216, 2770, 3478, 5540, 6956, 8695, 10249, 11080, 13019, 13912, 17390, 20498, 26038, 34780, 40996, 51245, 52076, 65095, 69560, 81992, 102490, 104152, 130190, 204980, 260380, 409960, 481703, 520760, 963406, 1926812, 2408515, 3853624, 4817030, 9634060, 19268120]

約数ペア:

[(1, 19268120), (2, 9634060), (4, 4817030), (5, 3853624), (8, 2408515), (10, 1926812), (20, 963406), (37, 520760), (40, 481703), (47, 409960), (74, 260380), (94, 204980), (148, 130190), (185, 104152), (188, 102490), (235, 81992), (277, 69560), (296, 65095), (370, 52076), (376, 51245), (470, 40996), (554, 34780), (740, 26038), (940, 20498), (1108, 17390), (1385, 13912), (1480, 13019), (1739, 11080), (1880, 10249), (2216, 8695), (2770, 6956), (3478, 5540)]