19540064

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 21102496

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 139, 184, 191, 278, 368, 382, 556, 736, 764, 1112, 1528, 2224, 3056, 3197, 4393, 4448, 6112, 6394, 8786, 12788, 17572, 25576, 26549, 35144, 51152, 53098, 70288, 102304, 106196, 140576, 212392, 424784, 610627, 849568, 1221254, 2442508, 4885016, 9770032, 19540064]

約数ペア:

[(1, 19540064), (2, 9770032), (4, 4885016), (8, 2442508), (16, 1221254), (23, 849568), (32, 610627), (46, 424784), (92, 212392), (139, 140576), (184, 106196), (191, 102304), (278, 70288), (368, 53098), (382, 51152), (556, 35144), (736, 26549), (764, 25576), (1112, 17572), (1528, 12788), (2224, 8786), (3056, 6394), (3197, 6112), (4393, 4448)]