19266255

素因数分解:

$3^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 35197344

約数和(自身を除く): 15931089

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 101, 135, 157, 243, 303, 405, 471, 505, 785, 909, 1215, 1413, 1515, 2355, 2727, 4239, 4545, 7065, 8181, 12717, 13635, 15857, 21195, 24543, 38151, 40905, 47571, 63585, 79285, 122715, 142713, 190755, 237855, 428139, 713565, 1284417, 2140695, 3853251, 6422085, 19266255]

約数ペア:

[(1, 19266255), (3, 6422085), (5, 3853251), (9, 2140695), (15, 1284417), (27, 713565), (45, 428139), (81, 237855), (101, 190755), (135, 142713), (157, 122715), (243, 79285), (303, 63585), (405, 47571), (471, 40905), (505, 38151), (785, 24543), (909, 21195), (1215, 15857), (1413, 13635), (1515, 12717), (2355, 8181), (2727, 7065), (4239, 4545)]