16619820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{5653}}^1$

素因数の和:5679

約数の個数: 72

約数和(自身を含む): 54142704

約数和(自身を除く): 37522884

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 5653, 11306, 16959, 22612, 28265, 33918, 39571, 56530, 67836, 79142, 84795, 113060, 118713, 158284, 169590, 197855, 237426, 276997, 339180, 395710, 474852, 553994, 593565, 791420, 830991, 1107988, 1187130, 1384985, 1661982, 2374260, 2769970, 3323964, 4154955, 5539940, 8309910, 16619820]

約数ペア:

[(1, 16619820), (2, 8309910), (3, 5539940), (4, 4154955), (5, 3323964), (6, 2769970), (7, 2374260), (10, 1661982), (12, 1384985), (14, 1187130), (15, 1107988), (20, 830991), (21, 791420), (28, 593565), (30, 553994), (35, 474852), (42, 395710), (49, 339180), (60, 276997), (70, 237426), (84, 197855), (98, 169590), (105, 158284), (140, 118713), (147, 113060), (196, 84795), (210, 79142), (245, 67836), (294, 56530), (420, 39571), (490, 33918), (588, 28265), (735, 22612), (980, 16959), (1470, 11306), (2940, 5653)]