18977491136

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{238939}}^1$

素因数の和:239041

約数の個数: 56

約数和(自身を含む): 40420046160

約数和(自身を除く): 21442555024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 272, 292, 544, 584, 1088, 1168, 1241, 2336, 2482, 4672, 4964, 9928, 19856, 39712, 79424, 238939, 477878, 955756, 1911512, 3823024, 4061963, 7646048, 8123926, 15292096, 16247852, 17442547, 32495704, 34885094, 64991408, 69770188, 129982816, 139540376, 259965632, 279080752, 296523299, 558161504, 593046598, 1116323008, 1186093196, 2372186392, 4744372784, 9488745568, 18977491136]

約数ペア:

[(1, 18977491136), (2, 9488745568), (4, 4744372784), (8, 2372186392), (16, 1186093196), (17, 1116323008), (32, 593046598), (34, 558161504), (64, 296523299), (68, 279080752), (73, 259965632), (136, 139540376), (146, 129982816), (272, 69770188), (292, 64991408), (544, 34885094), (584, 32495704), (1088, 17442547), (1168, 16247852), (1241, 15292096), (2336, 8123926), (2482, 7646048), (4672, 4061963), (4964, 3823024), (9928, 1911512), (19856, 955756), (39712, 477878), (79424, 238939)]