19974304

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3877}}^1$

素因数の和:3917

約数の個数: 48

約数和(自身を含む): 46908288

約数和(自身を除く): 26933984

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 322, 368, 644, 736, 1288, 2576, 3877, 5152, 7754, 15508, 27139, 31016, 54278, 62032, 89171, 108556, 124064, 178342, 217112, 356684, 434224, 624197, 713368, 868448, 1248394, 1426736, 2496788, 2853472, 4993576, 9987152, 19974304]

約数ペア:

[(1, 19974304), (2, 9987152), (4, 4993576), (7, 2853472), (8, 2496788), (14, 1426736), (16, 1248394), (23, 868448), (28, 713368), (32, 624197), (46, 434224), (56, 356684), (92, 217112), (112, 178342), (161, 124064), (184, 108556), (224, 89171), (322, 62032), (368, 54278), (644, 31016), (736, 27139), (1288, 15508), (2576, 7754), (3877, 5152)]