19775880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18311}}^1$

素因数の和:18331

約数の個数: 64

約数和(自身を含む): 65923200

約数和(自身を除く): 46147320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18311, 36622, 54933, 73244, 91555, 109866, 146488, 164799, 183110, 219732, 274665, 329598, 366220, 439464, 494397, 549330, 659196, 732440, 823995, 988794, 1098660, 1318392, 1647990, 1977588, 2197320, 2471985, 3295980, 3955176, 4943970, 6591960, 9887940, 19775880]

約数ペア:

[(1, 19775880), (2, 9887940), (3, 6591960), (4, 4943970), (5, 3955176), (6, 3295980), (8, 2471985), (9, 2197320), (10, 1977588), (12, 1647990), (15, 1318392), (18, 1098660), (20, 988794), (24, 823995), (27, 732440), (30, 659196), (36, 549330), (40, 494397), (45, 439464), (54, 366220), (60, 329598), (72, 274665), (90, 219732), (108, 183110), (120, 164799), (135, 146488), (180, 109866), (216, 91555), (270, 73244), (360, 54933), (540, 36622), (1080, 18311)]