19508650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 41872320

約数和(自身を除く): 22363670

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 139, 175, 278, 350, 401, 695, 802, 973, 1390, 1946, 2005, 2807, 3475, 4010, 4865, 5614, 6950, 9730, 10025, 14035, 20050, 24325, 28070, 48650, 55739, 70175, 111478, 140350, 278695, 390173, 557390, 780346, 1393475, 1950865, 2786950, 3901730, 9754325, 19508650]

約数ペア:

[(1, 19508650), (2, 9754325), (5, 3901730), (7, 2786950), (10, 1950865), (14, 1393475), (25, 780346), (35, 557390), (50, 390173), (70, 278695), (139, 140350), (175, 111478), (278, 70175), (350, 55739), (401, 48650), (695, 28070), (802, 24325), (973, 20050), (1390, 14035), (1946, 10025), (2005, 9730), (2807, 6950), (3475, 5614), (4010, 4865)]