18914703568

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{17093}}^1$

素因数の和:17252

約数の個数: 80

約数和(自身を含む): 39883447296

約数和(自身を除く): 20968743728

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 97, 124, 184, 194, 248, 368, 388, 496, 713, 776, 1426, 1552, 2231, 2852, 3007, 4462, 5704, 6014, 8924, 11408, 12028, 17093, 17848, 24056, 34186, 35696, 48112, 68372, 69161, 136744, 138322, 273488, 276644, 393139, 529883, 553288, 786278, 1059766, 1106576, 1572556, 1658021, 2119532, 3145112, 3316042, 4239064, 6290224, 6632084, 8478128, 12187309, 13264168, 24374618, 26528336, 38134483, 48749236, 51398651, 76268966, 97498472, 102797302, 152537932, 194996944, 205594604, 305075864, 411189208, 610151728, 822378416, 1182168973, 2364337946, 4728675892, 9457351784, 18914703568]

約数ペア:

[(1, 18914703568), (2, 9457351784), (4, 4728675892), (8, 2364337946), (16, 1182168973), (23, 822378416), (31, 610151728), (46, 411189208), (62, 305075864), (92, 205594604), (97, 194996944), (124, 152537932), (184, 102797302), (194, 97498472), (248, 76268966), (368, 51398651), (388, 48749236), (496, 38134483), (713, 26528336), (776, 24374618), (1426, 13264168), (1552, 12187309), (2231, 8478128), (2852, 6632084), (3007, 6290224), (4462, 4239064), (5704, 3316042), (6014, 3145112), (8924, 2119532), (11408, 1658021), (12028, 1572556), (17093, 1106576), (17848, 1059766), (24056, 786278), (34186, 553288), (35696, 529883), (48112, 393139), (68372, 276644), (69161, 273488), (136744, 138322)]