19408730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 41150592

約数和(自身を除く): 21741862

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 97, 107, 110, 170, 187, 194, 214, 374, 485, 535, 935, 970, 1067, 1070, 1177, 1649, 1819, 1870, 2134, 2354, 3298, 3638, 5335, 5885, 8245, 9095, 10379, 10670, 11770, 16490, 18139, 18190, 20009, 20758, 36278, 40018, 51895, 90695, 100045, 103790, 114169, 176443, 181390, 200090, 228338, 352886, 570845, 882215, 1141690, 1764430, 1940873, 3881746, 9704365, 19408730]

約数ペア:

[(1, 19408730), (2, 9704365), (5, 3881746), (10, 1940873), (11, 1764430), (17, 1141690), (22, 882215), (34, 570845), (55, 352886), (85, 228338), (97, 200090), (107, 181390), (110, 176443), (170, 114169), (187, 103790), (194, 100045), (214, 90695), (374, 51895), (485, 40018), (535, 36278), (935, 20758), (970, 20009), (1067, 18190), (1070, 18139), (1177, 16490), (1649, 11770), (1819, 10670), (1870, 10379), (2134, 9095), (2354, 8245), (3298, 5885), (3638, 5335)]