18440985856

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{5059}}^1$

素因数の和:5595

約数の個数: 72

約数和(自身を含む): 38164341600

約数和(自身を除く): 19723355744

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 491, 928, 982, 1856, 1964, 3712, 3928, 5059, 7424, 7856, 10118, 14239, 15712, 20236, 28478, 31424, 40472, 56956, 62848, 80944, 113912, 125696, 146711, 161888, 227824, 293422, 323776, 455648, 586844, 647552, 911296, 1173688, 1295104, 1822592, 2347376, 2483969, 3645184, 4694752, 4967938, 9389504, 9935876, 18779008, 19871752, 37558016, 39743504, 72035101, 79487008, 144070202, 158974016, 288140404, 317948032, 576280808, 635896064, 1152561616, 2305123232, 4610246464, 9220492928, 18440985856]

約数ペア:

[(1, 18440985856), (2, 9220492928), (4, 4610246464), (8, 2305123232), (16, 1152561616), (29, 635896064), (32, 576280808), (58, 317948032), (64, 288140404), (116, 158974016), (128, 144070202), (232, 79487008), (256, 72035101), (464, 39743504), (491, 37558016), (928, 19871752), (982, 18779008), (1856, 9935876), (1964, 9389504), (3712, 4967938), (3928, 4694752), (5059, 3645184), (7424, 2483969), (7856, 2347376), (10118, 1822592), (14239, 1295104), (15712, 1173688), (20236, 911296), (28478, 647552), (31424, 586844), (40472, 455648), (56956, 323776), (62848, 293422), (80944, 227824), (113912, 161888), (125696, 146711)]