1989832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 4320540

約数和(自身を除く): 2330708

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 53, 76, 104, 106, 152, 212, 247, 361, 424, 494, 689, 722, 988, 1007, 1378, 1444, 1976, 2014, 2756, 2888, 4028, 4693, 5512, 8056, 9386, 13091, 18772, 19133, 26182, 37544, 38266, 52364, 76532, 104728, 153064, 248729, 497458, 994916, 1989832]

約数ペア:

[(1, 1989832), (2, 994916), (4, 497458), (8, 248729), (13, 153064), (19, 104728), (26, 76532), (38, 52364), (52, 38266), (53, 37544), (76, 26182), (104, 19133), (106, 18772), (152, 13091), (212, 9386), (247, 8056), (361, 5512), (424, 4693), (494, 4028), (689, 2888), (722, 2756), (988, 2014), (1007, 1976), (1378, 1444)]