18922020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1427}}^1$

素因数の和:1469

約数の個数: 96

約数和(自身を含む): 60455808

約数和(自身を除く): 41533788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 1427, 2210, 2652, 2854, 3315, 4281, 4420, 5708, 6630, 7135, 8562, 13260, 14270, 17124, 18551, 21405, 24259, 28540, 37102, 42810, 48518, 55653, 72777, 74204, 85620, 92755, 97036, 111306, 121295, 145554, 185510, 222612, 242590, 278265, 291108, 315367, 363885, 371020, 485180, 556530, 630734, 727770, 946101, 1113060, 1261468, 1455540, 1576835, 1892202, 3153670, 3784404, 4730505, 6307340, 9461010, 18922020]

約数ペア:

[(1, 18922020), (2, 9461010), (3, 6307340), (4, 4730505), (5, 3784404), (6, 3153670), (10, 1892202), (12, 1576835), (13, 1455540), (15, 1261468), (17, 1113060), (20, 946101), (26, 727770), (30, 630734), (34, 556530), (39, 485180), (51, 371020), (52, 363885), (60, 315367), (65, 291108), (68, 278265), (78, 242590), (85, 222612), (102, 185510), (130, 145554), (156, 121295), (170, 111306), (195, 97036), (204, 92755), (221, 85620), (255, 74204), (260, 72777), (340, 55653), (390, 48518), (442, 42810), (510, 37102), (663, 28540), (780, 24259), (884, 21405), (1020, 18551), (1105, 17124), (1326, 14270), (1427, 13260), (2210, 8562), (2652, 7135), (2854, 6630), (3315, 5708), (4281, 4420)]