19795500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 64393056

約数和(自身を除く): 44597556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 53, 60, 75, 83, 90, 100, 106, 125, 150, 159, 166, 180, 212, 225, 249, 250, 265, 300, 318, 332, 375, 415, 450, 477, 498, 500, 530, 636, 747, 750, 795, 830, 900, 954, 996, 1060, 1125, 1245, 1325, 1494, 1500, 1590, 1660, 1908, 2075, 2250, 2385, 2490, 2650, 2988, 3180, 3735, 3975, 4150, 4399, 4500, 4770, 4980, 5300, 6225, 6625, 7470, 7950, 8300, 8798, 9540, 10375, 11925, 12450, 13197, 13250, 14940, 15900, 17596, 18675, 19875, 20750, 21995, 23850, 24900, 26394, 26500, 31125, 37350, 39591, 39750, 41500, 43990, 47700, 52788, 59625, 62250, 65985, 74700, 79182, 79500, 87980, 93375, 109975, 119250, 124500, 131970, 158364, 186750, 197955, 219950, 238500, 263940, 329925, 373500, 395910, 439900, 549875, 659850, 791820, 989775, 1099750, 1319700, 1649625, 1979550, 2199500, 3299250, 3959100, 4948875, 6598500, 9897750, 19795500]

約数ペア:

[(1, 19795500), (2, 9897750), (3, 6598500), (4, 4948875), (5, 3959100), (6, 3299250), (9, 2199500), (10, 1979550), (12, 1649625), (15, 1319700), (18, 1099750), (20, 989775), (25, 791820), (30, 659850), (36, 549875), (45, 439900), (50, 395910), (53, 373500), (60, 329925), (75, 263940), (83, 238500), (90, 219950), (100, 197955), (106, 186750), (125, 158364), (150, 131970), (159, 124500), (166, 119250), (180, 109975), (212, 93375), (225, 87980), (249, 79500), (250, 79182), (265, 74700), (300, 65985), (318, 62250), (332, 59625), (375, 52788), (415, 47700), (450, 43990), (477, 41500), (498, 39750), (500, 39591), (530, 37350), (636, 31125), (747, 26500), (750, 26394), (795, 24900), (830, 23850), (900, 21995), (954, 20750), (996, 19875), (1060, 18675), (1125, 17596), (1245, 15900), (1325, 14940), (1494, 13250), (1500, 13197), (1590, 12450), (1660, 11925), (1908, 10375), (2075, 9540), (2250, 8798), (2385, 8300), (2490, 7950), (2650, 7470), (2988, 6625), (3180, 6225), (3735, 5300), (3975, 4980), (4150, 4770), (4399, 4500)]