18962720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16931}}^1$

素因数の和:16953

約数の個数: 48

約数和(自身を含む): 51202368

約数和(自身を除く): 32239648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16931, 33862, 67724, 84655, 118517, 135448, 169310, 237034, 270896, 338620, 474068, 541792, 592585, 677240, 948136, 1185170, 1354480, 1896272, 2370340, 2708960, 3792544, 4740680, 9481360, 18962720]

約数ペア:

[(1, 18962720), (2, 9481360), (4, 4740680), (5, 3792544), (7, 2708960), (8, 2370340), (10, 1896272), (14, 1354480), (16, 1185170), (20, 948136), (28, 677240), (32, 592585), (35, 541792), (40, 474068), (56, 338620), (70, 270896), (80, 237034), (112, 169310), (140, 135448), (160, 118517), (224, 84655), (280, 67724), (560, 33862), (1120, 16931)]