18071900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2347}}^1$

素因数の和:2379

約数の個数: 72

約数和(自身を含む): 48913536

約数和(自身を除く): 30841636

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 2347, 3850, 4694, 7700, 9388, 11735, 16429, 23470, 25817, 32858, 46940, 51634, 58675, 65716, 82145, 103268, 117350, 129085, 164290, 180719, 234700, 258170, 328580, 361438, 410725, 516340, 645425, 722876, 821450, 903595, 1290850, 1642900, 1807190, 2581700, 3614380, 4517975, 9035950, 18071900]

約数ペア:

[(1, 18071900), (2, 9035950), (4, 4517975), (5, 3614380), (7, 2581700), (10, 1807190), (11, 1642900), (14, 1290850), (20, 903595), (22, 821450), (25, 722876), (28, 645425), (35, 516340), (44, 410725), (50, 361438), (55, 328580), (70, 258170), (77, 234700), (100, 180719), (110, 164290), (140, 129085), (154, 117350), (175, 103268), (220, 82145), (275, 65716), (308, 58675), (350, 51634), (385, 46940), (550, 32858), (700, 25817), (770, 23470), (1100, 16429), (1540, 11735), (1925, 9388), (2347, 7700), (3850, 4694)]