19939850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2477}}^1$

素因数の和:2519

約数の個数: 48

約数和(自身を含む): 44247168

約数和(自身を除く): 24307318

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2477, 4025, 4954, 8050, 12385, 17339, 24770, 34678, 56971, 61925, 86695, 113942, 123850, 173390, 284855, 398797, 433475, 569710, 797594, 866950, 1424275, 1993985, 2848550, 3987970, 9969925, 19939850]

約数ペア:

[(1, 19939850), (2, 9969925), (5, 3987970), (7, 2848550), (10, 1993985), (14, 1424275), (23, 866950), (25, 797594), (35, 569710), (46, 433475), (50, 398797), (70, 284855), (115, 173390), (161, 123850), (175, 113942), (230, 86695), (322, 61925), (350, 56971), (575, 34678), (805, 24770), (1150, 17339), (1610, 12385), (2477, 8050), (4025, 4954)]