18135450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 72

約数和(自身を含む): 49211136

約数和(自身を除く): 31075686

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 191, 211, 225, 382, 422, 450, 573, 633, 955, 1055, 1146, 1266, 1719, 1899, 1910, 2110, 2865, 3165, 3438, 3798, 4775, 5275, 5730, 6330, 8595, 9495, 9550, 10550, 14325, 15825, 17190, 18990, 28650, 31650, 40301, 42975, 47475, 80602, 85950, 94950, 120903, 201505, 241806, 362709, 403010, 604515, 725418, 1007525, 1209030, 1813545, 2015050, 3022575, 3627090, 6045150, 9067725, 18135450]

約数ペア:

[(1, 18135450), (2, 9067725), (3, 6045150), (5, 3627090), (6, 3022575), (9, 2015050), (10, 1813545), (15, 1209030), (18, 1007525), (25, 725418), (30, 604515), (45, 403010), (50, 362709), (75, 241806), (90, 201505), (150, 120903), (191, 94950), (211, 85950), (225, 80602), (382, 47475), (422, 42975), (450, 40301), (573, 31650), (633, 28650), (955, 18990), (1055, 17190), (1146, 15825), (1266, 14325), (1719, 10550), (1899, 9550), (1910, 9495), (2110, 8595), (2865, 6330), (3165, 5730), (3438, 5275), (3798, 4775)]