19481265

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 35283456

約数和(自身を除く): 15802191

約数列:

[1, 3, 5, 9, 15, 45, 47, 61, 141, 151, 183, 235, 305, 423, 453, 549, 705, 755, 915, 1359, 2115, 2265, 2745, 2867, 6795, 7097, 8601, 9211, 14335, 21291, 25803, 27633, 35485, 43005, 46055, 63873, 82899, 106455, 129015, 138165, 319365, 414495, 432917, 1298751, 2164585, 3896253, 6493755, 19481265]

約数ペア:

[(1, 19481265), (3, 6493755), (5, 3896253), (9, 2164585), (15, 1298751), (45, 432917), (47, 414495), (61, 319365), (141, 138165), (151, 129015), (183, 106455), (235, 82899), (305, 63873), (423, 46055), (453, 43005), (549, 35485), (705, 27633), (755, 25803), (915, 21291), (1359, 14335), (2115, 9211), (2265, 8601), (2745, 7097), (2867, 6795)]