19903632

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1656

約数の個数: 80

約数和(自身を含む): 60388992

約数和(自身を除く): 40485360

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1601, 1776, 2072, 3108, 3202, 4144, 4803, 6216, 6404, 9606, 11207, 12432, 12808, 19212, 22414, 25616, 33621, 38424, 44828, 59237, 67242, 76848, 89656, 118474, 134484, 177711, 179312, 236948, 268968, 355422, 414659, 473896, 537936, 710844, 829318, 947792, 1243977, 1421688, 1658636, 2487954, 2843376, 3317272, 4975908, 6634544, 9951816, 19903632]

約数ペア:

[(1, 19903632), (2, 9951816), (3, 6634544), (4, 4975908), (6, 3317272), (7, 2843376), (8, 2487954), (12, 1658636), (14, 1421688), (16, 1243977), (21, 947792), (24, 829318), (28, 710844), (37, 537936), (42, 473896), (48, 414659), (56, 355422), (74, 268968), (84, 236948), (111, 179312), (112, 177711), (148, 134484), (168, 118474), (222, 89656), (259, 76848), (296, 67242), (336, 59237), (444, 44828), (518, 38424), (592, 33621), (777, 25616), (888, 22414), (1036, 19212), (1554, 12808), (1601, 12432), (1776, 11207), (2072, 9606), (3108, 6404), (3202, 6216), (4144, 4803)]