19368880

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2917}}^1$

素因数の和:3013

約数の個数: 40

約数和(自身を含む): 45590832

約数和(自身を除く): 26221952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 2917, 3320, 5834, 6640, 11668, 14585, 23336, 29170, 46672, 58340, 116680, 233360, 242111, 484222, 968444, 1210555, 1936888, 2421110, 3873776, 4842220, 9684440, 19368880]

約数ペア:

[(1, 19368880), (2, 9684440), (4, 4842220), (5, 3873776), (8, 2421110), (10, 1936888), (16, 1210555), (20, 968444), (40, 484222), (80, 242111), (83, 233360), (166, 116680), (332, 58340), (415, 46672), (664, 29170), (830, 23336), (1328, 14585), (1660, 11668), (2917, 6640), (3320, 5834)]