19454580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{4003}}^1$

素因数の和:4027

約数の個数: 72

約数和(自身を含む): 61213152

約数和(自身を除く): 41758572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4003, 4860, 8006, 12009, 16012, 20015, 24018, 36027, 40030, 48036, 60045, 72054, 80060, 108081, 120090, 144108, 180135, 216162, 240180, 324243, 360270, 432324, 540405, 648486, 720540, 972729, 1080810, 1296972, 1621215, 1945458, 2161620, 3242430, 3890916, 4863645, 6484860, 9727290, 19454580]

約数ペア:

[(1, 19454580), (2, 9727290), (3, 6484860), (4, 4863645), (5, 3890916), (6, 3242430), (9, 2161620), (10, 1945458), (12, 1621215), (15, 1296972), (18, 1080810), (20, 972729), (27, 720540), (30, 648486), (36, 540405), (45, 432324), (54, 360270), (60, 324243), (81, 240180), (90, 216162), (108, 180135), (135, 144108), (162, 120090), (180, 108081), (243, 80060), (270, 72054), (324, 60045), (405, 48036), (486, 40030), (540, 36027), (810, 24018), (972, 20015), (1215, 16012), (1620, 12009), (2430, 8006), (4003, 4860)]