18740300

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{971}}^1$

素因数の和:1178

約数の個数: 36

約数和(自身を含む): 40919256

約数和(自身を除く): 22178956

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 772, 965, 971, 1930, 1942, 3860, 3884, 4825, 4855, 9650, 9710, 19300, 19420, 24275, 48550, 97100, 187403, 374806, 749612, 937015, 1874030, 3748060, 4685075, 9370150, 18740300]

約数ペア:

[(1, 18740300), (2, 9370150), (4, 4685075), (5, 3748060), (10, 1874030), (20, 937015), (25, 749612), (50, 374806), (100, 187403), (193, 97100), (386, 48550), (772, 24275), (965, 19420), (971, 19300), (1930, 9710), (1942, 9650), (3860, 4855), (3884, 4825)]