19649410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2447}}^1$

素因数の和:2538

約数の個数: 32

約数和(自身を含む): 39128832

約数和(自身を除く): 19479422

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2447, 4015, 4894, 8030, 12235, 24470, 26917, 53834, 134585, 178631, 269170, 357262, 893155, 1786310, 1964941, 3929882, 9824705, 19649410]

約数ペア:

[(1, 19649410), (2, 9824705), (5, 3929882), (10, 1964941), (11, 1786310), (22, 893155), (55, 357262), (73, 269170), (110, 178631), (146, 134585), (365, 53834), (730, 26917), (803, 24470), (1606, 12235), (2447, 8030), (4015, 4894)]