19453100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11443}}^1$

素因数の和:11474

約数の個数: 36

約数和(自身を含む): 44700264

約数和(自身を除く): 25247164

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11443, 22886, 45772, 57215, 114430, 194531, 228860, 286075, 389062, 572150, 778124, 972655, 1144300, 1945310, 3890620, 4863275, 9726550, 19453100]

約数ペア:

[(1, 19453100), (2, 9726550), (4, 4863275), (5, 3890620), (10, 1945310), (17, 1144300), (20, 972655), (25, 778124), (34, 572150), (50, 389062), (68, 286075), (85, 228860), (100, 194531), (170, 114430), (340, 57215), (425, 45772), (850, 22886), (1700, 11443)]