19390620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2467}}^1$

素因数の和:2610

約数の個数: 48

約数和(自身を含む): 54730368

約数和(自身を除く): 35339748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2467, 2620, 3930, 4934, 7401, 7860, 9868, 12335, 14802, 24670, 29604, 37005, 49340, 74010, 148020, 323177, 646354, 969531, 1292708, 1615885, 1939062, 3231770, 3878124, 4847655, 6463540, 9695310, 19390620]

約数ペア:

[(1, 19390620), (2, 9695310), (3, 6463540), (4, 4847655), (5, 3878124), (6, 3231770), (10, 1939062), (12, 1615885), (15, 1292708), (20, 969531), (30, 646354), (60, 323177), (131, 148020), (262, 74010), (393, 49340), (524, 37005), (655, 29604), (786, 24670), (1310, 14802), (1572, 12335), (1965, 9868), (2467, 7860), (2620, 7401), (3930, 4934)]