19299690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4987}}^1$

素因数の和:5043

約数の個数: 48

約数和(自身を含む): 51356448

約数和(自身を除く): 32056758

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 4987, 9974, 14961, 24935, 29922, 44883, 49870, 74805, 89766, 149610, 214441, 224415, 428882, 448830, 643323, 1072205, 1286646, 1929969, 2144410, 3216615, 3859938, 6433230, 9649845, 19299690]

約数ペア:

[(1, 19299690), (2, 9649845), (3, 6433230), (5, 3859938), (6, 3216615), (9, 2144410), (10, 1929969), (15, 1286646), (18, 1072205), (30, 643323), (43, 448830), (45, 428882), (86, 224415), (90, 214441), (129, 149610), (215, 89766), (258, 74805), (387, 49870), (430, 44883), (645, 29922), (774, 24935), (1290, 14961), (1935, 9974), (3870, 4987)]