19872810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 53654400

約数和(自身を除く): 33781590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 89, 90, 135, 178, 267, 270, 445, 534, 801, 827, 890, 1335, 1602, 1654, 2403, 2481, 2670, 4005, 4135, 4806, 4962, 7443, 8010, 8270, 12015, 12405, 14886, 22329, 24030, 24810, 37215, 44658, 73603, 74430, 111645, 147206, 220809, 223290, 368015, 441618, 662427, 736030, 1104045, 1324854, 1987281, 2208090, 3312135, 3974562, 6624270, 9936405, 19872810]

約数ペア:

[(1, 19872810), (2, 9936405), (3, 6624270), (5, 3974562), (6, 3312135), (9, 2208090), (10, 1987281), (15, 1324854), (18, 1104045), (27, 736030), (30, 662427), (45, 441618), (54, 368015), (89, 223290), (90, 220809), (135, 147206), (178, 111645), (267, 74430), (270, 73603), (445, 44658), (534, 37215), (801, 24810), (827, 24030), (890, 22329), (1335, 14886), (1602, 12405), (1654, 12015), (2403, 8270), (2481, 8010), (2670, 7443), (4005, 4962), (4135, 4806)]