18636416

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 39984000

約数和(自身を除く): 21347584

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 79, 97, 128, 152, 158, 194, 304, 316, 388, 608, 632, 776, 1216, 1264, 1501, 1552, 1843, 2432, 2528, 3002, 3104, 3686, 5056, 6004, 6208, 7372, 7663, 10112, 12008, 12416, 14744, 15326, 24016, 29488, 30652, 48032, 58976, 61304, 96064, 117952, 122608, 145597, 192128, 235904, 245216, 291194, 490432, 582388, 980864, 1164776, 2329552, 4659104, 9318208, 18636416]

約数ペア:

[(1, 18636416), (2, 9318208), (4, 4659104), (8, 2329552), (16, 1164776), (19, 980864), (32, 582388), (38, 490432), (64, 291194), (76, 245216), (79, 235904), (97, 192128), (128, 145597), (152, 122608), (158, 117952), (194, 96064), (304, 61304), (316, 58976), (388, 48032), (608, 30652), (632, 29488), (776, 24016), (1216, 15326), (1264, 14744), (1501, 12416), (1552, 12008), (1843, 10112), (2432, 7663), (2528, 7372), (3002, 6208), (3104, 6004), (3686, 5056)]