About the Number

18968380

18968379 ← → 18968381

2進数表記:1001000010110111100111100

漢数字表記:千八百九十六万八千三百八十

素因数分解:

2 2 × 5 1 × 223 1 × 4253 1

素因数の和:4485
約数の個数: 24
約数和(自身を含む): 40021632
約数和(自身を除く): 21053252

約数列:
[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4253, 4460, 8506, 17012, 21265, 42530, 85060, 948419, 1896838, 3793676, 4742095, 9484190, 18968380]

約数ペア:
[(1, 18968380), (2, 9484190), (4, 4742095), (5, 3793676), (10, 1896838), (20, 948419), (223, 85060), (446, 42530), (892, 21265), (1115, 17012), (2230, 8506), (4253, 4460)]

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