19503588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 52433920

約数和(自身を除く): 32930332

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 37, 39, 52, 62, 74, 78, 93, 109, 111, 124, 148, 156, 186, 218, 222, 327, 372, 403, 436, 444, 481, 654, 806, 962, 1147, 1209, 1308, 1417, 1443, 1612, 1924, 2294, 2418, 2834, 2886, 3379, 3441, 4033, 4251, 4588, 4836, 5668, 5772, 6758, 6882, 8066, 8502, 10137, 12099, 13516, 13764, 14911, 16132, 17004, 20274, 24198, 29822, 40548, 43927, 44733, 48396, 52429, 59644, 87854, 89466, 104858, 125023, 131781, 157287, 175708, 178932, 209716, 250046, 263562, 314574, 375069, 500092, 527124, 629148, 750138, 1500276, 1625299, 3250598, 4875897, 6501196, 9751794, 19503588]

約数ペア:

[(1, 19503588), (2, 9751794), (3, 6501196), (4, 4875897), (6, 3250598), (12, 1625299), (13, 1500276), (26, 750138), (31, 629148), (37, 527124), (39, 500092), (52, 375069), (62, 314574), (74, 263562), (78, 250046), (93, 209716), (109, 178932), (111, 175708), (124, 157287), (148, 131781), (156, 125023), (186, 104858), (218, 89466), (222, 87854), (327, 59644), (372, 52429), (403, 48396), (436, 44733), (444, 43927), (481, 40548), (654, 29822), (806, 24198), (962, 20274), (1147, 17004), (1209, 16132), (1308, 14911), (1417, 13764), (1443, 13516), (1612, 12099), (1924, 10137), (2294, 8502), (2418, 8066), (2834, 6882), (2886, 6758), (3379, 5772), (3441, 5668), (4033, 4836), (4251, 4588)]