18678088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 42638400

約数和(自身を除く): 23960312

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 232, 286, 319, 377, 563, 572, 638, 754, 1126, 1144, 1276, 1508, 2252, 2552, 3016, 4147, 4504, 6193, 7319, 8294, 12386, 14638, 16327, 16588, 24772, 29276, 32654, 33176, 49544, 58552, 65308, 80509, 130616, 161018, 179597, 212251, 322036, 359194, 424502, 644072, 718388, 849004, 1436776, 1698008, 2334761, 4669522, 9339044, 18678088]

約数ペア:

[(1, 18678088), (2, 9339044), (4, 4669522), (8, 2334761), (11, 1698008), (13, 1436776), (22, 849004), (26, 718388), (29, 644072), (44, 424502), (52, 359194), (58, 322036), (88, 212251), (104, 179597), (116, 161018), (143, 130616), (232, 80509), (286, 65308), (319, 58552), (377, 49544), (563, 33176), (572, 32654), (638, 29276), (754, 24772), (1126, 16588), (1144, 16327), (1276, 14638), (1508, 12386), (2252, 8294), (2552, 7319), (3016, 6193), (4147, 4504)]