19945350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:494

約数の個数: 72

約数和(自身を含む): 54163200

約数和(自身を除く): 34217850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 127, 150, 225, 254, 349, 381, 450, 635, 698, 762, 1047, 1143, 1270, 1745, 1905, 2094, 2286, 3141, 3175, 3490, 3810, 5235, 5715, 6282, 6350, 8725, 9525, 10470, 11430, 15705, 17450, 19050, 26175, 28575, 31410, 44323, 52350, 57150, 78525, 88646, 132969, 157050, 221615, 265938, 398907, 443230, 664845, 797814, 1108075, 1329690, 1994535, 2216150, 3324225, 3989070, 6648450, 9972675, 19945350]

約数ペア:

[(1, 19945350), (2, 9972675), (3, 6648450), (5, 3989070), (6, 3324225), (9, 2216150), (10, 1994535), (15, 1329690), (18, 1108075), (25, 797814), (30, 664845), (45, 443230), (50, 398907), (75, 265938), (90, 221615), (127, 157050), (150, 132969), (225, 88646), (254, 78525), (349, 57150), (381, 52350), (450, 44323), (635, 31410), (698, 28575), (762, 26175), (1047, 19050), (1143, 17450), (1270, 15705), (1745, 11430), (1905, 10470), (2094, 9525), (2286, 8725), (3141, 6350), (3175, 6282), (3490, 5715), (3810, 5235)]