19285740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 58858800

約数和(自身を除く): 39573060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 349, 614, 698, 921, 1047, 1228, 1396, 1535, 1745, 1842, 2094, 2763, 3070, 3141, 3490, 3684, 4188, 4605, 5235, 5526, 6140, 6282, 6980, 9210, 10470, 11052, 12564, 13815, 15705, 18420, 20940, 27630, 31410, 55260, 62820, 107143, 214286, 321429, 428572, 535715, 642858, 964287, 1071430, 1285716, 1607145, 1928574, 2142860, 3214290, 3857148, 4821435, 6428580, 9642870, 19285740]

約数ペア:

[(1, 19285740), (2, 9642870), (3, 6428580), (4, 4821435), (5, 3857148), (6, 3214290), (9, 2142860), (10, 1928574), (12, 1607145), (15, 1285716), (18, 1071430), (20, 964287), (30, 642858), (36, 535715), (45, 428572), (60, 321429), (90, 214286), (180, 107143), (307, 62820), (349, 55260), (614, 31410), (698, 27630), (921, 20940), (1047, 18420), (1228, 15705), (1396, 13815), (1535, 12564), (1745, 11052), (1842, 10470), (2094, 9210), (2763, 6980), (3070, 6282), (3141, 6140), (3490, 5526), (3684, 5235), (4188, 4605)]