19669980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29803}}^1$

素因数の和:29826

約数の個数: 48

約数和(自身を含む): 60084864

約数和(自身を除く): 40414884

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 29803, 59606, 89409, 119212, 149015, 178818, 298030, 327833, 357636, 447045, 596060, 655666, 894090, 983499, 1311332, 1639165, 1788180, 1966998, 3278330, 3933996, 4917495, 6556660, 9834990, 19669980]

約数ペア:

[(1, 19669980), (2, 9834990), (3, 6556660), (4, 4917495), (5, 3933996), (6, 3278330), (10, 1966998), (11, 1788180), (12, 1639165), (15, 1311332), (20, 983499), (22, 894090), (30, 655666), (33, 596060), (44, 447045), (55, 357636), (60, 327833), (66, 298030), (110, 178818), (132, 149015), (165, 119212), (220, 89409), (330, 59606), (660, 29803)]