19867040

素因数分解:

$2^5\times 5^1\times {\mathrm{227}}^1\times {\mathrm{547}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 47228832

約数和(自身を除く): 27361792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 227, 454, 547, 908, 1094, 1135, 1816, 2188, 2270, 2735, 3632, 4376, 4540, 5470, 7264, 8752, 9080, 10940, 17504, 18160, 21880, 36320, 43760, 87520, 124169, 248338, 496676, 620845, 993352, 1241690, 1986704, 2483380, 3973408, 4966760, 9933520, 19867040]

約数ペア:

[(1, 19867040), (2, 9933520), (4, 4966760), (5, 3973408), (8, 2483380), (10, 1986704), (16, 1241690), (20, 993352), (32, 620845), (40, 496676), (80, 248338), (160, 124169), (227, 87520), (454, 43760), (547, 36320), (908, 21880), (1094, 18160), (1135, 17504), (1816, 10940), (2188, 9080), (2270, 8752), (2735, 7264), (3632, 5470), (4376, 4540)]