19698191584

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{74353}}^1$

素因数の和:74867

約数の個数: 48

約数和(自身を含む): 41146908768

約数和(自身を除く): 21448717184

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 487, 544, 974, 1948, 3896, 7792, 8279, 15584, 16558, 33116, 66232, 74353, 132464, 148706, 264928, 297412, 594824, 1189648, 1264001, 2379296, 2528002, 5056004, 10112008, 20224016, 36209911, 40448032, 72419822, 144839644, 289679288, 579358576, 615568487, 1158717152, 1231136974, 2462273948, 4924547896, 9849095792, 19698191584]

約数ペア:

[(1, 19698191584), (2, 9849095792), (4, 4924547896), (8, 2462273948), (16, 1231136974), (17, 1158717152), (32, 615568487), (34, 579358576), (68, 289679288), (136, 144839644), (272, 72419822), (487, 40448032), (544, 36209911), (974, 20224016), (1948, 10112008), (3896, 5056004), (7792, 2528002), (8279, 2379296), (15584, 1264001), (16558, 1189648), (33116, 594824), (66232, 297412), (74353, 264928), (132464, 148706)]