16819974

素因数分解:

$2^1\times 3^5\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 38565072

約数和(自身を除く): 21745098

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 243, 318, 477, 486, 653, 954, 1306, 1431, 1959, 2862, 3918, 4293, 5877, 8586, 11754, 12879, 17631, 25758, 34609, 35262, 52893, 69218, 103827, 105786, 158679, 207654, 311481, 317358, 622962, 934443, 1868886, 2803329, 5606658, 8409987, 16819974]

約数ペア:

[(1, 16819974), (2, 8409987), (3, 5606658), (6, 2803329), (9, 1868886), (18, 934443), (27, 622962), (53, 317358), (54, 311481), (81, 207654), (106, 158679), (159, 105786), (162, 103827), (243, 69218), (318, 52893), (477, 35262), (486, 34609), (653, 25758), (954, 17631), (1306, 12879), (1431, 11754), (1959, 8586), (2862, 5877), (3918, 4293)]