18901380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1493}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 53210304

約数和(自身を除く): 34308924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1493, 2110, 2532, 2986, 3165, 4220, 4479, 5972, 6330, 7465, 8958, 12660, 14930, 17916, 22395, 29860, 44790, 89580, 315023, 630046, 945069, 1260092, 1575115, 1890138, 3150230, 3780276, 4725345, 6300460, 9450690, 18901380]

約数ペア:

[(1, 18901380), (2, 9450690), (3, 6300460), (4, 4725345), (5, 3780276), (6, 3150230), (10, 1890138), (12, 1575115), (15, 1260092), (20, 945069), (30, 630046), (60, 315023), (211, 89580), (422, 44790), (633, 29860), (844, 22395), (1055, 17916), (1266, 14930), (1493, 12660), (2110, 8958), (2532, 7465), (2986, 6330), (3165, 5972), (4220, 4479)]