19468293

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 30919680

約数和(自身を除く): 11451387

約数列:

[1, 3, 13, 19, 39, 43, 47, 57, 129, 141, 169, 247, 507, 559, 611, 741, 817, 893, 1677, 1833, 2021, 2451, 2679, 3211, 6063, 7267, 7943, 9633, 10621, 11609, 21801, 23829, 26273, 31863, 34827, 38399, 78819, 115197, 138073, 150917, 341549, 414219, 452751, 499187, 1024647, 1497561, 6489431, 19468293]

約数ペア:

[(1, 19468293), (3, 6489431), (13, 1497561), (19, 1024647), (39, 499187), (43, 452751), (47, 414219), (57, 341549), (129, 150917), (141, 138073), (169, 115197), (247, 78819), (507, 38399), (559, 34827), (611, 31863), (741, 26273), (817, 23829), (893, 21801), (1677, 11609), (1833, 10621), (2021, 9633), (2451, 7943), (2679, 7267), (3211, 6063)]