18749174015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{2887}}^1$

素因数の和:3240

約数の個数: 64

約数和(自身を含む): 27387666432

約数和(自身を除く): 8638492417

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 293, 341, 403, 715, 1465, 1705, 2015, 2887, 3223, 3809, 4433, 9083, 14435, 16115, 19045, 22165, 31757, 37531, 41899, 45415, 89497, 99913, 118079, 158785, 187655, 209495, 412841, 447485, 499565, 590395, 845891, 984467, 1163461, 1298869, 2064205, 4229455, 4922335, 5817305, 6494345, 9304801, 10996583, 12798071, 26222621, 46524005, 54982915, 63990355, 120962413, 131113105, 288448831, 340894073, 604812065, 1442244155, 1704470365, 3749834803, 18749174015]

約数ペア:

[(1, 18749174015), (5, 3749834803), (11, 1704470365), (13, 1442244155), (31, 604812065), (55, 340894073), (65, 288448831), (143, 131113105), (155, 120962413), (293, 63990355), (341, 54982915), (403, 46524005), (715, 26222621), (1465, 12798071), (1705, 10996583), (2015, 9304801), (2887, 6494345), (3223, 5817305), (3809, 4922335), (4433, 4229455), (9083, 2064205), (14435, 1298869), (16115, 1163461), (19045, 984467), (22165, 845891), (31757, 590395), (37531, 499565), (41899, 447485), (45415, 412841), (89497, 209495), (99913, 187655), (118079, 158785)]