19357900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 45465840

約数和(自身を除く): 26107940

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 59, 68, 85, 100, 118, 170, 193, 236, 295, 340, 386, 425, 590, 772, 850, 965, 1003, 1180, 1475, 1700, 1930, 2006, 2950, 3281, 3860, 4012, 4825, 5015, 5900, 6562, 9650, 10030, 11387, 13124, 16405, 19300, 20060, 22774, 25075, 32810, 45548, 50150, 56935, 65620, 82025, 100300, 113870, 164050, 193579, 227740, 284675, 328100, 387158, 569350, 774316, 967895, 1138700, 1935790, 3871580, 4839475, 9678950, 19357900]

約数ペア:

[(1, 19357900), (2, 9678950), (4, 4839475), (5, 3871580), (10, 1935790), (17, 1138700), (20, 967895), (25, 774316), (34, 569350), (50, 387158), (59, 328100), (68, 284675), (85, 227740), (100, 193579), (118, 164050), (170, 113870), (193, 100300), (236, 82025), (295, 65620), (340, 56935), (386, 50150), (425, 45548), (590, 32810), (772, 25075), (850, 22774), (965, 20060), (1003, 19300), (1180, 16405), (1475, 13124), (1700, 11387), (1930, 10030), (2006, 9650), (2950, 6562), (3281, 5900), (3860, 5015), (4012, 4825)]