About the Number

201809972

201809971 ← → 201809973

2進数表記:1100000001110110000000110100

漢数字表記:二億百八十万九千九百七十二

素因数分解:

2 2 × 7 1 × 13 1 × 59 1 × 9397 1

素因数の和:9480
約数の個数: 48
約数和(自身を含む): 442081920
約数和(自身を除く): 240271948

約数列:
[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 91, 118, 182, 236, 364, 413, 767, 826, 1534, 1652, 3068, 5369, 9397, 10738, 18794, 21476, 37588, 65779, 122161, 131558, 244322, 263116, 488644, 554423, 855127, 1108846, 1710254, 2217692, 3420508, 3880961, 7207499, 7761922, 14414998, 15523844, 28829996, 50452493, 100904986, 201809972]

約数ペア:
[(1, 201809972), (2, 100904986), (4, 50452493), (7, 28829996), (13, 15523844), (14, 14414998), (26, 7761922), (28, 7207499), (52, 3880961), (59, 3420508), (91, 2217692), (118, 1710254), (182, 1108846), (236, 855127), (364, 554423), (413, 488644), (767, 263116), (826, 244322), (1534, 131558), (1652, 122161), (3068, 65779), (5369, 37588), (9397, 21476), (10738, 18794)]

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