19916598

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 26048202

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 89, 114, 151, 178, 247, 267, 302, 453, 494, 534, 741, 906, 1157, 1482, 1691, 1963, 2314, 2869, 3382, 3471, 3926, 5073, 5738, 5889, 6942, 8607, 10146, 11778, 13439, 17214, 21983, 26878, 37297, 40317, 43966, 65949, 74594, 80634, 111891, 131898, 174707, 223782, 255341, 349414, 510682, 524121, 766023, 1048242, 1532046, 3319433, 6638866, 9958299, 19916598]

約数ペア:

[(1, 19916598), (2, 9958299), (3, 6638866), (6, 3319433), (13, 1532046), (19, 1048242), (26, 766023), (38, 524121), (39, 510682), (57, 349414), (78, 255341), (89, 223782), (114, 174707), (151, 131898), (178, 111891), (247, 80634), (267, 74594), (302, 65949), (453, 43966), (494, 40317), (534, 37297), (741, 26878), (906, 21983), (1157, 17214), (1482, 13439), (1691, 11778), (1963, 10146), (2314, 8607), (2869, 6942), (3382, 5889), (3471, 5738), (3926, 5073)]