11726990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 25159680

約数和(自身を除く): 13432690

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 181, 190, 209, 310, 341, 362, 418, 589, 682, 905, 1045, 1178, 1705, 1810, 1991, 2090, 2945, 3410, 3439, 3982, 5611, 5890, 6479, 6878, 9955, 11222, 12958, 17195, 19910, 28055, 32395, 34390, 37829, 56110, 61721, 64790, 75658, 106609, 123442, 189145, 213218, 308605, 378290, 533045, 617210, 1066090, 1172699, 2345398, 5863495, 11726990]

約数ペア:

[(1, 11726990), (2, 5863495), (5, 2345398), (10, 1172699), (11, 1066090), (19, 617210), (22, 533045), (31, 378290), (38, 308605), (55, 213218), (62, 189145), (95, 123442), (110, 106609), (155, 75658), (181, 64790), (190, 61721), (209, 56110), (310, 37829), (341, 34390), (362, 32395), (418, 28055), (589, 19910), (682, 17195), (905, 12958), (1045, 11222), (1178, 9955), (1705, 6878), (1810, 6479), (1991, 5890), (2090, 5611), (2945, 3982), (3410, 3439)]