19315671745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{607}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 26343346176

約数和(自身を除く): 7027674431

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 397, 607, 697, 943, 1955, 1985, 3035, 3485, 4715, 6749, 9131, 10319, 13961, 16031, 16277, 24887, 33745, 45655, 51595, 69805, 80155, 81385, 124435, 155227, 237337, 240979, 276709, 374371, 423079, 572401, 776135, 1186685, 1204895, 1383545, 1871855, 2115395, 2862005, 4096643, 5542517, 6364307, 9730817, 9880139, 20483215, 27712585, 31821535, 48654085, 49400695, 94222789, 167962363, 227243197, 471113945, 839811815, 1136215985, 3863134349, 19315671745]

約数ペア:

[(1, 19315671745), (5, 3863134349), (17, 1136215985), (23, 839811815), (41, 471113945), (85, 227243197), (115, 167962363), (205, 94222789), (391, 49400695), (397, 48654085), (607, 31821535), (697, 27712585), (943, 20483215), (1955, 9880139), (1985, 9730817), (3035, 6364307), (3485, 5542517), (4715, 4096643), (6749, 2862005), (9131, 2115395), (10319, 1871855), (13961, 1383545), (16031, 1204895), (16277, 1186685), (24887, 776135), (33745, 572401), (45655, 423079), (51595, 374371), (69805, 276709), (80155, 240979), (81385, 237337), (124435, 155227)]