19794822975

素因数分解:

$3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{229}}^1\times {\mathrm{2447}}^1$

素因数の和:2849

約数の個数: 72

約数和(自身を含む): 35851008960

約数和(自身を除く): 16056185985

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 157, 225, 229, 471, 687, 785, 1145, 1413, 2061, 2355, 2447, 3435, 3925, 5725, 7065, 7341, 10305, 11775, 12235, 17175, 22023, 35325, 35953, 36705, 51525, 61175, 107859, 110115, 179765, 183525, 323577, 384179, 539295, 550575, 560363, 898825, 1152537, 1617885, 1681089, 1920895, 2696475, 2801815, 3457611, 5043267, 5762685, 8089425, 8405445, 9604475, 14009075, 17288055, 25216335, 28813425, 42027225, 86440275, 87976991, 126081675, 263930973, 439884955, 791792919, 1319654865, 2199424775, 3958964595, 6598274325, 19794822975]

約数ペア:

[(1, 19794822975), (3, 6598274325), (5, 3958964595), (9, 2199424775), (15, 1319654865), (25, 791792919), (45, 439884955), (75, 263930973), (157, 126081675), (225, 87976991), (229, 86440275), (471, 42027225), (687, 28813425), (785, 25216335), (1145, 17288055), (1413, 14009075), (2061, 9604475), (2355, 8405445), (2447, 8089425), (3435, 5762685), (3925, 5043267), (5725, 3457611), (7065, 2801815), (7341, 2696475), (10305, 1920895), (11775, 1681089), (12235, 1617885), (17175, 1152537), (22023, 898825), (35325, 560363), (35953, 550575), (36705, 539295), (51525, 384179), (61175, 323577), (107859, 183525), (110115, 179765)]