About the Number

12187890

12187889 ← → 12187891

2進数表記:101110011111100011110010

漢数字表記:千二百十八万七千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 11 1 × 13 1 × 947 1

素因数の和:984
約数の個数: 96
約数和(自身を含む): 37267776
約数和(自身を除く): 25079886

約数列:
[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 947, 990, 1170, 1287, 1430, 1894, 2145, 2574, 2841, 4290, 4735, 5682, 6435, 8523, 9470, 10417, 12311, 12870, 14205, 17046, 20834, 24622, 28410, 31251, 36933, 42615, 52085, 61555, 62502, 73866, 85230, 93753, 104170, 110799, 123110, 135421, 156255, 184665, 187506, 221598, 270842, 312510, 369330, 406263, 468765, 553995, 677105, 812526, 937530, 1107990, 1218789, 1354210, 2031315, 2437578, 4062630, 6093945, 12187890]

約数ペア:
[(1, 12187890), (2, 6093945), (3, 4062630), (5, 2437578), (6, 2031315), (9, 1354210), (10, 1218789), (11, 1107990), (13, 937530), (15, 812526), (18, 677105), (22, 553995), (26, 468765), (30, 406263), (33, 369330), (39, 312510), (45, 270842), (55, 221598), (65, 187506), (66, 184665), (78, 156255), (90, 135421), (99, 123110), (110, 110799), (117, 104170), (130, 93753), (143, 85230), (165, 73866), (195, 62502), (198, 61555), (234, 52085), (286, 42615), (330, 36933), (390, 31251), (429, 28410), (495, 24622), (585, 20834), (715, 17046), (858, 14205), (947, 12870), (990, 12311), (1170, 10417), (1287, 9470), (1430, 8523), (1894, 6435), (2145, 5682), (2574, 4735), (2841, 4290)]

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