19343025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 39606840

約数和(自身を除く): 20263815

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 389, 425, 585, 663, 765, 975, 1105, 1167, 1275, 1945, 1989, 2925, 3315, 3501, 3825, 5057, 5525, 5835, 6613, 9725, 9945, 15171, 16575, 17505, 19839, 25285, 29175, 33065, 45513, 49725, 59517, 75855, 85969, 87525, 99195, 126425, 165325, 227565, 257907, 297585, 379275, 429845, 495975, 773721, 1137825, 1289535, 1487925, 2149225, 3868605, 6447675, 19343025]

約数ペア:

[(1, 19343025), (3, 6447675), (5, 3868605), (9, 2149225), (13, 1487925), (15, 1289535), (17, 1137825), (25, 773721), (39, 495975), (45, 429845), (51, 379275), (65, 297585), (75, 257907), (85, 227565), (117, 165325), (153, 126425), (195, 99195), (221, 87525), (225, 85969), (255, 75855), (325, 59517), (389, 49725), (425, 45513), (585, 33065), (663, 29175), (765, 25285), (975, 19839), (1105, 17505), (1167, 16575), (1275, 15171), (1945, 9945), (1989, 9725), (2925, 6613), (3315, 5835), (3501, 5525), (3825, 5057)]