2018220584

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{1283}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 4067712000

約数和(自身を除く): 2049491416

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 131, 152, 158, 262, 316, 524, 632, 1048, 1283, 1501, 2489, 2566, 3002, 4978, 5132, 6004, 9956, 10264, 10349, 12008, 19912, 20698, 24377, 41396, 48754, 82792, 97508, 101357, 168073, 195016, 196631, 202714, 336146, 393262, 405428, 672292, 786524, 810856, 1344584, 1573048, 1925783, 3193387, 3851566, 6386774, 7703132, 12773548, 13277767, 15406264, 25547096, 26555534, 53111068, 106222136, 252277573, 504555146, 1009110292, 2018220584]

約数ペア:

[(1, 2018220584), (2, 1009110292), (4, 504555146), (8, 252277573), (19, 106222136), (38, 53111068), (76, 26555534), (79, 25547096), (131, 15406264), (152, 13277767), (158, 12773548), (262, 7703132), (316, 6386774), (524, 3851566), (632, 3193387), (1048, 1925783), (1283, 1573048), (1501, 1344584), (2489, 810856), (2566, 786524), (3002, 672292), (4978, 405428), (5132, 393262), (6004, 336146), (9956, 202714), (10264, 196631), (10349, 195016), (12008, 168073), (19912, 101357), (20698, 97508), (24377, 82792), (41396, 48754)]