19243965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 16318275

約数列:

[1, 3, 5, 13, 15, 29, 39, 41, 65, 83, 87, 123, 145, 195, 205, 249, 377, 415, 435, 533, 615, 1079, 1131, 1189, 1245, 1599, 1885, 2407, 2665, 3237, 3403, 3567, 5395, 5655, 5945, 7221, 7995, 10209, 12035, 15457, 16185, 17015, 17835, 31291, 36105, 44239, 46371, 51045, 77285, 93873, 98687, 132717, 156455, 221195, 231855, 296061, 469365, 493435, 663585, 1282931, 1480305, 3848793, 6414655, 19243965]

約数ペア:

[(1, 19243965), (3, 6414655), (5, 3848793), (13, 1480305), (15, 1282931), (29, 663585), (39, 493435), (41, 469365), (65, 296061), (83, 231855), (87, 221195), (123, 156455), (145, 132717), (195, 98687), (205, 93873), (249, 77285), (377, 51045), (415, 46371), (435, 44239), (533, 36105), (615, 31291), (1079, 17835), (1131, 17015), (1189, 16185), (1245, 15457), (1599, 12035), (1885, 10209), (2407, 7995), (2665, 7221), (3237, 5945), (3403, 5655), (3567, 5395)]