19115668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1453}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 41037696

約数和(自身を除く): 21922028

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 1453, 2906, 3289, 5812, 6578, 13156, 15983, 18889, 31966, 33419, 37778, 63932, 66838, 75556, 133676, 207779, 367609, 415558, 434447, 735218, 831116, 868894, 1470436, 1737788, 4778917, 9557834, 19115668]

約数ペア:

[(1, 19115668), (2, 9557834), (4, 4778917), (11, 1737788), (13, 1470436), (22, 868894), (23, 831116), (26, 735218), (44, 434447), (46, 415558), (52, 367609), (92, 207779), (143, 133676), (253, 75556), (286, 66838), (299, 63932), (506, 37778), (572, 33419), (598, 31966), (1012, 18889), (1196, 15983), (1453, 13156), (2906, 6578), (3289, 5812)]