18084680

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 24251320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 79, 97, 118, 158, 194, 236, 295, 316, 388, 395, 472, 485, 590, 632, 776, 790, 970, 1180, 1580, 1940, 2360, 3160, 3880, 4661, 5723, 7663, 9322, 11446, 15326, 18644, 22892, 23305, 28615, 30652, 37288, 38315, 45784, 46610, 57230, 61304, 76630, 93220, 114460, 153260, 186440, 228920, 306520, 452117, 904234, 1808468, 2260585, 3616936, 4521170, 9042340, 18084680]

約数ペア:

[(1, 18084680), (2, 9042340), (4, 4521170), (5, 3616936), (8, 2260585), (10, 1808468), (20, 904234), (40, 452117), (59, 306520), (79, 228920), (97, 186440), (118, 153260), (158, 114460), (194, 93220), (236, 76630), (295, 61304), (316, 57230), (388, 46610), (395, 45784), (472, 38315), (485, 37288), (590, 30652), (632, 28615), (776, 23305), (790, 22892), (970, 18644), (1180, 15326), (1580, 11446), (1940, 9322), (2360, 7663), (3160, 5723), (3880, 4661)]