19628490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{619}}^1$

素因数の和:787

約数の個数: 64

約数和(自身を含む): 54282240

約数和(自身を除く): 34653750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 151, 210, 302, 453, 619, 755, 906, 1057, 1238, 1510, 1857, 2114, 2265, 3095, 3171, 3714, 4333, 4530, 5285, 6190, 6342, 8666, 9285, 10570, 12999, 15855, 18570, 21665, 25998, 31710, 43330, 64995, 93469, 129990, 186938, 280407, 467345, 560814, 654283, 934690, 1308566, 1402035, 1962849, 2804070, 3271415, 3925698, 6542830, 9814245, 19628490]

約数ペア:

[(1, 19628490), (2, 9814245), (3, 6542830), (5, 3925698), (6, 3271415), (7, 2804070), (10, 1962849), (14, 1402035), (15, 1308566), (21, 934690), (30, 654283), (35, 560814), (42, 467345), (70, 280407), (105, 186938), (151, 129990), (210, 93469), (302, 64995), (453, 43330), (619, 31710), (755, 25998), (906, 21665), (1057, 18570), (1238, 15855), (1510, 12999), (1857, 10570), (2114, 9285), (2265, 8666), (3095, 6342), (3171, 6190), (3714, 5285), (4333, 4530)]