19520016

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 53716800

約数和(自身を除く): 34196784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 37, 48, 58, 74, 87, 111, 116, 148, 174, 222, 232, 296, 348, 379, 444, 464, 592, 696, 758, 888, 1073, 1137, 1392, 1516, 1776, 2146, 2274, 3032, 3219, 4292, 4548, 6064, 6438, 8584, 9096, 10991, 12876, 14023, 17168, 18192, 21982, 25752, 28046, 32973, 42069, 43964, 51504, 56092, 65946, 84138, 87928, 112184, 131892, 168276, 175856, 224368, 263784, 336552, 406667, 527568, 673104, 813334, 1220001, 1626668, 2440002, 3253336, 4880004, 6506672, 9760008, 19520016]

約数ペア:

[(1, 19520016), (2, 9760008), (3, 6506672), (4, 4880004), (6, 3253336), (8, 2440002), (12, 1626668), (16, 1220001), (24, 813334), (29, 673104), (37, 527568), (48, 406667), (58, 336552), (74, 263784), (87, 224368), (111, 175856), (116, 168276), (148, 131892), (174, 112184), (222, 87928), (232, 84138), (296, 65946), (348, 56092), (379, 51504), (444, 43964), (464, 42069), (592, 32973), (696, 28046), (758, 25752), (888, 21982), (1073, 18192), (1137, 17168), (1392, 14023), (1516, 12876), (1776, 10991), (2146, 9096), (2274, 8584), (3032, 6438), (3219, 6064), (4292, 4548)]