19251720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1009}}^1$

素因数の和:1079

約数の個数: 96

約数和(自身を含む): 63811800

約数和(自身を除く): 44560080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1009, 1060, 1272, 1590, 1908, 2018, 2120, 2385, 3027, 3180, 3816, 4036, 4770, 5045, 6054, 6360, 8072, 9081, 9540, 10090, 12108, 15135, 18162, 19080, 20180, 24216, 30270, 36324, 40360, 45405, 53477, 60540, 72648, 90810, 106954, 121080, 160431, 181620, 213908, 267385, 320862, 363240, 427816, 481293, 534770, 641724, 802155, 962586, 1069540, 1283448, 1604310, 1925172, 2139080, 2406465, 3208620, 3850344, 4812930, 6417240, 9625860, 19251720]

約数ペア:

[(1, 19251720), (2, 9625860), (3, 6417240), (4, 4812930), (5, 3850344), (6, 3208620), (8, 2406465), (9, 2139080), (10, 1925172), (12, 1604310), (15, 1283448), (18, 1069540), (20, 962586), (24, 802155), (30, 641724), (36, 534770), (40, 481293), (45, 427816), (53, 363240), (60, 320862), (72, 267385), (90, 213908), (106, 181620), (120, 160431), (159, 121080), (180, 106954), (212, 90810), (265, 72648), (318, 60540), (360, 53477), (424, 45405), (477, 40360), (530, 36324), (636, 30270), (795, 24216), (954, 20180), (1009, 19080), (1060, 18162), (1272, 15135), (1590, 12108), (1908, 10090), (2018, 9540), (2120, 9081), (2385, 8072), (3027, 6360), (3180, 6054), (3816, 5045), (4036, 4770)]