19575075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 36935136

約数和(自身を除く): 17360061

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1181, 1275, 3315, 3543, 5525, 5905, 15353, 16575, 17715, 20077, 29525, 46059, 60231, 76765, 88575, 100385, 230295, 261001, 301155, 383825, 501925, 783003, 1151475, 1305005, 1505775, 3915015, 6525025, 19575075]

約数ペア:

[(1, 19575075), (3, 6525025), (5, 3915015), (13, 1505775), (15, 1305005), (17, 1151475), (25, 783003), (39, 501925), (51, 383825), (65, 301155), (75, 261001), (85, 230295), (195, 100385), (221, 88575), (255, 76765), (325, 60231), (425, 46059), (663, 29525), (975, 20077), (1105, 17715), (1181, 16575), (1275, 15353), (3315, 5905), (3543, 5525)]