18629730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9857}}^1$

素因数の和:9880

約数の個数: 64

約数和(自身を含む): 56782080

約数和(自身を除く): 38152350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9857, 19714, 29571, 49285, 59142, 68999, 88713, 98570, 137998, 147855, 177426, 206997, 266139, 295710, 344995, 413994, 443565, 532278, 620991, 689990, 887130, 1034985, 1241982, 1330695, 1862973, 2069970, 2661390, 3104955, 3725946, 6209910, 9314865, 18629730]

約数ペア:

[(1, 18629730), (2, 9314865), (3, 6209910), (5, 3725946), (6, 3104955), (7, 2661390), (9, 2069970), (10, 1862973), (14, 1330695), (15, 1241982), (18, 1034985), (21, 887130), (27, 689990), (30, 620991), (35, 532278), (42, 443565), (45, 413994), (54, 344995), (63, 295710), (70, 266139), (90, 206997), (105, 177426), (126, 147855), (135, 137998), (189, 98570), (210, 88713), (270, 68999), (315, 59142), (378, 49285), (630, 29571), (945, 19714), (1890, 9857)]