19864000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:231

約数の個数: 112

約数和(自身を含む): 53254656

約数和(自身を除く): 33390656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 191, 200, 208, 250, 260, 320, 325, 382, 400, 416, 500, 520, 650, 764, 800, 832, 955, 1000, 1040, 1300, 1528, 1600, 1625, 1910, 2000, 2080, 2483, 2600, 3056, 3250, 3820, 4000, 4160, 4775, 4966, 5200, 6112, 6500, 7640, 8000, 9550, 9932, 10400, 12224, 12415, 13000, 15280, 19100, 19864, 20800, 23875, 24830, 26000, 30560, 38200, 39728, 47750, 49660, 52000, 61120, 62075, 76400, 79456, 95500, 99320, 104000, 124150, 152800, 158912, 191000, 198640, 248300, 305600, 310375, 382000, 397280, 496600, 620750, 764000, 794560, 993200, 1241500, 1528000, 1986400, 2483000, 3972800, 4966000, 9932000, 19864000]

約数ペア:

[(1, 19864000), (2, 9932000), (4, 4966000), (5, 3972800), (8, 2483000), (10, 1986400), (13, 1528000), (16, 1241500), (20, 993200), (25, 794560), (26, 764000), (32, 620750), (40, 496600), (50, 397280), (52, 382000), (64, 310375), (65, 305600), (80, 248300), (100, 198640), (104, 191000), (125, 158912), (130, 152800), (160, 124150), (191, 104000), (200, 99320), (208, 95500), (250, 79456), (260, 76400), (320, 62075), (325, 61120), (382, 52000), (400, 49660), (416, 47750), (500, 39728), (520, 38200), (650, 30560), (764, 26000), (800, 24830), (832, 23875), (955, 20800), (1000, 19864), (1040, 19100), (1300, 15280), (1528, 13000), (1600, 12415), (1625, 12224), (1910, 10400), (2000, 9932), (2080, 9550), (2483, 8000), (2600, 7640), (3056, 6500), (3250, 6112), (3820, 5200), (4000, 4966), (4160, 4775)]