18214600

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 43072020

約数和(自身を除く): 24857420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1493, 1525, 2440, 2986, 3050, 5972, 6100, 7465, 11944, 12200, 14930, 29860, 37325, 59720, 74650, 91073, 149300, 182146, 298600, 364292, 455365, 728584, 910730, 1821460, 2276825, 3642920, 4553650, 9107300, 18214600]

約数ペア:

[(1, 18214600), (2, 9107300), (4, 4553650), (5, 3642920), (8, 2276825), (10, 1821460), (20, 910730), (25, 728584), (40, 455365), (50, 364292), (61, 298600), (100, 182146), (122, 149300), (200, 91073), (244, 74650), (305, 59720), (488, 37325), (610, 29860), (1220, 14930), (1493, 12200), (1525, 11944), (2440, 7465), (2986, 6100), (3050, 5972)]