19566190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 41606352

約数和(自身を除く): 22040162

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 490, 511, 547, 730, 1022, 1094, 2555, 2735, 3577, 3829, 5110, 5470, 7154, 7658, 17885, 19145, 26803, 35770, 38290, 39931, 53606, 79862, 134015, 199655, 268030, 279517, 399310, 559034, 1397585, 1956619, 2795170, 3913238, 9783095, 19566190]

約数ペア:

[(1, 19566190), (2, 9783095), (5, 3913238), (7, 2795170), (10, 1956619), (14, 1397585), (35, 559034), (49, 399310), (70, 279517), (73, 268030), (98, 199655), (146, 134015), (245, 79862), (365, 53606), (490, 39931), (511, 38290), (547, 35770), (730, 26803), (1022, 19145), (1094, 17885), (2555, 7658), (2735, 7154), (3577, 5470), (3829, 5110)]