18973764

素因数分解:

$2^2\times 3^4\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:546

約数の個数: 60

約数和(自身を含む): 50050924

約数和(自身を除く): 31077160

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 157, 162, 314, 324, 373, 471, 628, 746, 942, 1119, 1413, 1492, 1884, 2238, 2826, 3357, 4239, 4476, 5652, 6714, 8478, 10071, 12717, 13428, 16956, 20142, 25434, 30213, 40284, 50868, 58561, 60426, 117122, 120852, 175683, 234244, 351366, 527049, 702732, 1054098, 1581147, 2108196, 3162294, 4743441, 6324588, 9486882, 18973764]

約数ペア:

[(1, 18973764), (2, 9486882), (3, 6324588), (4, 4743441), (6, 3162294), (9, 2108196), (12, 1581147), (18, 1054098), (27, 702732), (36, 527049), (54, 351366), (81, 234244), (108, 175683), (157, 120852), (162, 117122), (314, 60426), (324, 58561), (373, 50868), (471, 40284), (628, 30213), (746, 25434), (942, 20142), (1119, 16956), (1413, 13428), (1492, 12717), (1884, 10071), (2238, 8478), (2826, 6714), (3357, 5652), (4239, 4476)]