16499980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6203}}^1$

素因数の和:6238

約数の個数: 48

約数和(自身を含む): 41690880

約数和(自身を除く): 25190900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6203, 12406, 24812, 31015, 43421, 62030, 86842, 117857, 124060, 173684, 217105, 235714, 434210, 471428, 589285, 824999, 868420, 1178570, 1649998, 2357140, 3299996, 4124995, 8249990, 16499980]

約数ペア:

[(1, 16499980), (2, 8249990), (4, 4124995), (5, 3299996), (7, 2357140), (10, 1649998), (14, 1178570), (19, 868420), (20, 824999), (28, 589285), (35, 471428), (38, 434210), (70, 235714), (76, 217105), (95, 173684), (133, 124060), (140, 117857), (190, 86842), (266, 62030), (380, 43421), (532, 31015), (665, 24812), (1330, 12406), (2660, 6203)]