19943784

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5653}}^1$

素因数の和:5679

約数の個数: 72

約数和(自身を含む): 62844210

約数和(自身を除く): 42900426

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5653, 11306, 16959, 22612, 33918, 39571, 45224, 50877, 67836, 79142, 101754, 118713, 135672, 158284, 203508, 237426, 276997, 316568, 356139, 407016, 474852, 553994, 712278, 830991, 949704, 1107988, 1424556, 1661982, 2215976, 2492973, 2849112, 3323964, 4985946, 6647928, 9971892, 19943784]

約数ペア:

[(1, 19943784), (2, 9971892), (3, 6647928), (4, 4985946), (6, 3323964), (7, 2849112), (8, 2492973), (9, 2215976), (12, 1661982), (14, 1424556), (18, 1107988), (21, 949704), (24, 830991), (28, 712278), (36, 553994), (42, 474852), (49, 407016), (56, 356139), (63, 316568), (72, 276997), (84, 237426), (98, 203508), (126, 158284), (147, 135672), (168, 118713), (196, 101754), (252, 79142), (294, 67836), (392, 50877), (441, 45224), (504, 39571), (588, 33918), (882, 22612), (1176, 16959), (1764, 11306), (3528, 5653)]