19537020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 59623200

約数和(自身を除く): 40086180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 349, 622, 698, 933, 1047, 1244, 1396, 1555, 1745, 1866, 2094, 2799, 3110, 3141, 3490, 3732, 4188, 4665, 5235, 5598, 6220, 6282, 6980, 9330, 10470, 11196, 12564, 13995, 15705, 18660, 20940, 27990, 31410, 55980, 62820, 108539, 217078, 325617, 434156, 542695, 651234, 976851, 1085390, 1302468, 1628085, 1953702, 2170780, 3256170, 3907404, 4884255, 6512340, 9768510, 19537020]

約数ペア:

[(1, 19537020), (2, 9768510), (3, 6512340), (4, 4884255), (5, 3907404), (6, 3256170), (9, 2170780), (10, 1953702), (12, 1628085), (15, 1302468), (18, 1085390), (20, 976851), (30, 651234), (36, 542695), (45, 434156), (60, 325617), (90, 217078), (180, 108539), (311, 62820), (349, 55980), (622, 31410), (698, 27990), (933, 20940), (1047, 18660), (1244, 15705), (1396, 13995), (1555, 12564), (1745, 11196), (1866, 10470), (2094, 9330), (2799, 6980), (3110, 6282), (3141, 6220), (3490, 5598), (3732, 5235), (4188, 4665)]