About the Number

19910124

19910123 ← → 19910125

2進数表記:1001011111100110111101100

漢数字表記:千九百九十一万百二十四

素因数分解:

2 2 × 3 4 × 13 1 × 29 1 × 163 1

素因数の和:221
約数の個数: 120
約数和(自身を含む): 58341360
約数和(自身を除く): 38431236

約数列:
[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 81, 87, 108, 116, 117, 156, 162, 163, 174, 234, 261, 324, 326, 348, 351, 377, 468, 489, 522, 652, 702, 754, 783, 978, 1044, 1053, 1131, 1404, 1467, 1508, 1566, 1956, 2106, 2119, 2262, 2349, 2934, 3132, 3393, 4212, 4238, 4401, 4524, 4698, 4727, 5868, 6357, 6786, 8476, 8802, 9396, 9454, 10179, 12714, 13203, 13572, 14181, 17604, 18908, 19071, 20358, 25428, 26406, 28362, 30537, 38142, 40716, 42543, 52812, 56724, 57213, 61074, 61451, 76284, 85086, 114426, 122148, 122902, 127629, 170172, 171639, 184353, 228852, 245804, 255258, 343278, 368706, 382887, 510516, 553059, 686556, 737412, 765774, 1106118, 1531548, 1659177, 2212236, 3318354, 4977531, 6636708, 9955062, 19910124]

約数ペア:
[(1, 19910124), (2, 9955062), (3, 6636708), (4, 4977531), (6, 3318354), (9, 2212236), (12, 1659177), (13, 1531548), (18, 1106118), (26, 765774), (27, 737412), (29, 686556), (36, 553059), (39, 510516), (52, 382887), (54, 368706), (58, 343278), (78, 255258), (81, 245804), (87, 228852), (108, 184353), (116, 171639), (117, 170172), (156, 127629), (162, 122902), (163, 122148), (174, 114426), (234, 85086), (261, 76284), (324, 61451), (326, 61074), (348, 57213), (351, 56724), (377, 52812), (468, 42543), (489, 40716), (522, 38142), (652, 30537), (702, 28362), (754, 26406), (783, 25428), (978, 20358), (1044, 19071), (1053, 18908), (1131, 17604), (1404, 14181), (1467, 13572), (1508, 13203), (1566, 12714), (1956, 10179), (2106, 9454), (2119, 9396), (2262, 8802), (2349, 8476), (2934, 6786), (3132, 6357), (3393, 5868), (4212, 4727), (4238, 4698), (4401, 4524)]

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