About the Number

31894920

31894919 ← → 31894921

2進数表記:1111001101010110110001000

漢数字表記:三千百八十九万四千九百二十

素因数分解:

2 3 × 3 2 × 5 1 × 19 1 × 4663 1

素因数の和:4699
約数の個数: 96
約数和(自身を含む): 109137600
約数和(自身を除く): 77242680

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 4663, 6840, 9326, 13989, 18652, 23315, 27978, 37304, 41967, 46630, 55956, 69945, 83934, 88597, 93260, 111912, 139890, 167868, 177194, 186520, 209835, 265791, 279780, 335736, 354388, 419670, 442985, 531582, 559560, 708776, 797373, 839340, 885970, 1063164, 1328955, 1594746, 1678680, 1771940, 2126328, 2657910, 3189492, 3543880, 3986865, 5315820, 6378984, 7973730, 10631640, 15947460, 31894920]

約数ペア:
[(1, 31894920), (2, 15947460), (3, 10631640), (4, 7973730), (5, 6378984), (6, 5315820), (8, 3986865), (9, 3543880), (10, 3189492), (12, 2657910), (15, 2126328), (18, 1771940), (19, 1678680), (20, 1594746), (24, 1328955), (30, 1063164), (36, 885970), (38, 839340), (40, 797373), (45, 708776), (57, 559560), (60, 531582), (72, 442985), (76, 419670), (90, 354388), (95, 335736), (114, 279780), (120, 265791), (152, 209835), (171, 186520), (180, 177194), (190, 167868), (228, 139890), (285, 111912), (342, 93260), (360, 88597), (380, 83934), (456, 69945), (570, 55956), (684, 46630), (760, 41967), (855, 37304), (1140, 27978), (1368, 23315), (1710, 18652), (2280, 13989), (3420, 9326), (4663, 6840)]

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