19461978064

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{3469}}^1\times {\mathrm{11311}}^1$

素因数の和:14819

約数の個数: 40

約数和(自身を含む): 38938618880

約数和(自身を除く): 19476640816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 3469, 6938, 11311, 13876, 22622, 27752, 45244, 55504, 90488, 107539, 180976, 215078, 350641, 430156, 701282, 860312, 1402564, 1720624, 2805128, 5610256, 39237859, 78475718, 156951436, 313902872, 627805744, 1216373629, 2432747258, 4865494516, 9730989032, 19461978064]

約数ペア:

[(1, 19461978064), (2, 9730989032), (4, 4865494516), (8, 2432747258), (16, 1216373629), (31, 627805744), (62, 313902872), (124, 156951436), (248, 78475718), (496, 39237859), (3469, 5610256), (6938, 2805128), (11311, 1720624), (13876, 1402564), (22622, 860312), (27752, 701282), (45244, 430156), (55504, 350641), (90488, 215078), (107539, 180976)]