19941137776

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2145131}}^1$

素因数の和:2145229

約数の個数: 40

約数和(自身を含む): 44687389824

約数和(自身を除く): 24746252048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 9296, 2145131, 4290262, 8580524, 15015917, 17161048, 30031834, 34322096, 60063668, 120127336, 178045873, 240254672, 356091746, 712183492, 1246321111, 1424366984, 2492642222, 2848733968, 4985284444, 9970568888, 19941137776]

約数ペア:

[(1, 19941137776), (2, 9970568888), (4, 4985284444), (7, 2848733968), (8, 2492642222), (14, 1424366984), (16, 1246321111), (28, 712183492), (56, 356091746), (83, 240254672), (112, 178045873), (166, 120127336), (332, 60063668), (581, 34322096), (664, 30031834), (1162, 17161048), (1328, 15015917), (2324, 8580524), (4648, 4290262), (9296, 2145131)]