19807428

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 47867904

約数和(自身を除く): 28060476

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 127, 164, 246, 254, 317, 381, 492, 508, 634, 762, 951, 1268, 1524, 1902, 3804, 5207, 10414, 12997, 15621, 20828, 25994, 31242, 38991, 40259, 51988, 62484, 77982, 80518, 120777, 155964, 161036, 241554, 483108, 1650619, 3301238, 4951857, 6602476, 9903714, 19807428]

約数ペア:

[(1, 19807428), (2, 9903714), (3, 6602476), (4, 4951857), (6, 3301238), (12, 1650619), (41, 483108), (82, 241554), (123, 161036), (127, 155964), (164, 120777), (246, 80518), (254, 77982), (317, 62484), (381, 51988), (492, 40259), (508, 38991), (634, 31242), (762, 25994), (951, 20828), (1268, 15621), (1524, 12997), (1902, 10414), (3804, 5207)]