19097360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 47246976

約数和(自身を除く): 28149616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 97, 107, 115, 184, 194, 214, 230, 368, 388, 428, 460, 485, 535, 776, 856, 920, 970, 1070, 1552, 1712, 1840, 1940, 2140, 2231, 2461, 3880, 4280, 4462, 4922, 7760, 8560, 8924, 9844, 10379, 11155, 12305, 17848, 19688, 20758, 22310, 24610, 35696, 39376, 41516, 44620, 49220, 51895, 83032, 89240, 98440, 103790, 166064, 178480, 196880, 207580, 238717, 415160, 477434, 830320, 954868, 1193585, 1909736, 2387170, 3819472, 4774340, 9548680, 19097360]

約数ペア:

[(1, 19097360), (2, 9548680), (4, 4774340), (5, 3819472), (8, 2387170), (10, 1909736), (16, 1193585), (20, 954868), (23, 830320), (40, 477434), (46, 415160), (80, 238717), (92, 207580), (97, 196880), (107, 178480), (115, 166064), (184, 103790), (194, 98440), (214, 89240), (230, 83032), (368, 51895), (388, 49220), (428, 44620), (460, 41516), (485, 39376), (535, 35696), (776, 24610), (856, 22310), (920, 20758), (970, 19688), (1070, 17848), (1552, 12305), (1712, 11155), (1840, 10379), (1940, 9844), (2140, 8924), (2231, 8560), (2461, 7760), (3880, 4922), (4280, 4462)]