19175220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{347}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 58522464

約数和(自身を除く): 39347244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 347, 614, 694, 921, 1041, 1228, 1388, 1535, 1735, 1842, 2082, 2763, 3070, 3123, 3470, 3684, 4164, 4605, 5205, 5526, 6140, 6246, 6940, 9210, 10410, 11052, 12492, 13815, 15615, 18420, 20820, 27630, 31230, 55260, 62460, 106529, 213058, 319587, 426116, 532645, 639174, 958761, 1065290, 1278348, 1597935, 1917522, 2130580, 3195870, 3835044, 4793805, 6391740, 9587610, 19175220]

約数ペア:

[(1, 19175220), (2, 9587610), (3, 6391740), (4, 4793805), (5, 3835044), (6, 3195870), (9, 2130580), (10, 1917522), (12, 1597935), (15, 1278348), (18, 1065290), (20, 958761), (30, 639174), (36, 532645), (45, 426116), (60, 319587), (90, 213058), (180, 106529), (307, 62460), (347, 55260), (614, 31230), (694, 27630), (921, 20820), (1041, 18420), (1228, 15615), (1388, 13815), (1535, 12492), (1735, 11052), (1842, 10410), (2082, 9210), (2763, 6940), (3070, 6246), (3123, 6140), (3470, 5526), (3684, 5205), (4164, 4605)]