19402245

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 35473152

約数和(自身を除く): 16070907

約数列:

[1, 3, 5, 9, 15, 37, 43, 45, 111, 129, 185, 215, 271, 333, 387, 555, 645, 813, 1355, 1591, 1665, 1935, 2439, 4065, 4773, 7955, 10027, 11653, 12195, 14319, 23865, 30081, 34959, 50135, 58265, 71595, 90243, 104877, 150405, 174795, 431161, 451215, 524385, 1293483, 2155805, 3880449, 6467415, 19402245]

約数ペア:

[(1, 19402245), (3, 6467415), (5, 3880449), (9, 2155805), (15, 1293483), (37, 524385), (43, 451215), (45, 431161), (111, 174795), (129, 150405), (185, 104877), (215, 90243), (271, 71595), (333, 58265), (387, 50135), (555, 34959), (645, 30081), (813, 23865), (1355, 14319), (1591, 12195), (1665, 11653), (1935, 10027), (2439, 7955), (4065, 4773)]