About the Number

188901972

188901971 ← → 188901973

2進数表記:1011010000100110101001010100

漢数字表記:一億八千八百九十万千九百七十二

素因数分解:

2 2 × 3 2 × 7 1 × 31 1 × 24181 1

素因数の和:24229
約数の個数: 72
約数和(自身を含む): 563343872
約数和(自身を除く): 374441900

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 24181, 48362, 72543, 96724, 145086, 169267, 217629, 290172, 338534, 435258, 507801, 677068, 749611, 870516, 1015602, 1499222, 1523403, 2031204, 2248833, 2998444, 3046806, 4497666, 5247277, 6093612, 6746499, 8995332, 10494554, 13492998, 15741831, 20989108, 26985996, 31483662, 47225493, 62967324, 94450986, 188901972]

約数ペア:
[(1, 188901972), (2, 94450986), (3, 62967324), (4, 47225493), (6, 31483662), (7, 26985996), (9, 20989108), (12, 15741831), (14, 13492998), (18, 10494554), (21, 8995332), (28, 6746499), (31, 6093612), (36, 5247277), (42, 4497666), (62, 3046806), (63, 2998444), (84, 2248833), (93, 2031204), (124, 1523403), (126, 1499222), (186, 1015602), (217, 870516), (252, 749611), (279, 677068), (372, 507801), (434, 435258), (558, 338534), (651, 290172), (868, 217629), (1116, 169267), (1302, 145086), (1953, 96724), (2604, 72543), (3906, 48362), (7812, 24181)]

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