About the Number

18252990

18252989 ← → 18252991

2進数表記:1000101101000010010111110

漢数字表記:千八百二十五万二千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 2 × 4139 1

素因数の和:4166
約数の個数: 72
約数和(自身を含む): 55219320
約数和(自身を除く): 36966330

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4139, 4410, 8278, 12417, 20695, 24834, 28973, 37251, 41390, 57946, 62085, 74502, 86919, 124170, 144865, 173838, 186255, 202811, 260757, 289730, 372510, 405622, 434595, 521514, 608433, 869190, 1014055, 1216866, 1303785, 1825299, 2028110, 2607570, 3042165, 3650598, 6084330, 9126495, 18252990]

約数ペア:
[(1, 18252990), (2, 9126495), (3, 6084330), (5, 3650598), (6, 3042165), (7, 2607570), (9, 2028110), (10, 1825299), (14, 1303785), (15, 1216866), (18, 1014055), (21, 869190), (30, 608433), (35, 521514), (42, 434595), (45, 405622), (49, 372510), (63, 289730), (70, 260757), (90, 202811), (98, 186255), (105, 173838), (126, 144865), (147, 124170), (210, 86919), (245, 74502), (294, 62085), (315, 57946), (441, 41390), (490, 37251), (630, 28973), (735, 24834), (882, 20695), (1470, 12417), (2205, 8278), (4139, 4410)]

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