19979460

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4111}}^1$

素因数の和:4135

約数の個数: 72

約数和(自身を含む): 62864256

約数和(自身を除く): 42884796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4111, 4860, 8222, 12333, 16444, 20555, 24666, 36999, 41110, 49332, 61665, 73998, 82220, 110997, 123330, 147996, 184995, 221994, 246660, 332991, 369990, 443988, 554985, 665982, 739980, 998973, 1109970, 1331964, 1664955, 1997946, 2219940, 3329910, 3995892, 4994865, 6659820, 9989730, 19979460]

約数ペア:

[(1, 19979460), (2, 9989730), (3, 6659820), (4, 4994865), (5, 3995892), (6, 3329910), (9, 2219940), (10, 1997946), (12, 1664955), (15, 1331964), (18, 1109970), (20, 998973), (27, 739980), (30, 665982), (36, 554985), (45, 443988), (54, 369990), (60, 332991), (81, 246660), (90, 221994), (108, 184995), (135, 147996), (162, 123330), (180, 110997), (243, 82220), (270, 73998), (324, 61665), (405, 49332), (486, 41110), (540, 36999), (810, 24666), (972, 20555), (1215, 16444), (1620, 12333), (2430, 8222), (4111, 4860)]