19581780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 58665600

約数和(自身を除く): 39083820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 89, 95, 114, 178, 190, 193, 228, 267, 285, 356, 380, 386, 445, 534, 570, 579, 772, 890, 965, 1068, 1140, 1158, 1335, 1691, 1780, 1930, 2316, 2670, 2895, 3382, 3667, 3860, 5073, 5340, 5790, 6764, 7334, 8455, 10146, 11001, 11580, 14668, 16910, 17177, 18335, 20292, 22002, 25365, 33820, 34354, 36670, 44004, 50730, 51531, 55005, 68708, 73340, 85885, 101460, 103062, 110010, 171770, 206124, 220020, 257655, 326363, 343540, 515310, 652726, 979089, 1030620, 1305452, 1631815, 1958178, 3263630, 3916356, 4895445, 6527260, 9790890, 19581780]

約数ペア:

[(1, 19581780), (2, 9790890), (3, 6527260), (4, 4895445), (5, 3916356), (6, 3263630), (10, 1958178), (12, 1631815), (15, 1305452), (19, 1030620), (20, 979089), (30, 652726), (38, 515310), (57, 343540), (60, 326363), (76, 257655), (89, 220020), (95, 206124), (114, 171770), (178, 110010), (190, 103062), (193, 101460), (228, 85885), (267, 73340), (285, 68708), (356, 55005), (380, 51531), (386, 50730), (445, 44004), (534, 36670), (570, 34354), (579, 33820), (772, 25365), (890, 22002), (965, 20292), (1068, 18335), (1140, 17177), (1158, 16910), (1335, 14668), (1691, 11580), (1780, 11001), (1930, 10146), (2316, 8455), (2670, 7334), (2895, 6764), (3382, 5790), (3667, 5340), (3860, 5073)]