1818394620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227869}}^1$

素因数の和:227907

約数の個数: 96

約数和(自身を含む): 6125145600

約数和(自身を除く): 4306750980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 227869, 455738, 683607, 911476, 1139345, 1367214, 1595083, 2278690, 2734428, 3190166, 3418035, 4329511, 4557380, 4785249, 6380332, 6836070, 7975415, 8659022, 9570498, 12988533, 13672140, 15950830, 17318044, 19140996, 21647555, 23926245, 25977066, 30306577, 31901660, 43295110, 47852490, 51954132, 60613154, 64942665, 86590220, 90919731, 95704980, 121226308, 129885330, 151532885, 181839462, 259770660, 303065770, 363678924, 454598655, 606131540, 909197310, 1818394620]

約数ペア:

[(1, 1818394620), (2, 909197310), (3, 606131540), (4, 454598655), (5, 363678924), (6, 303065770), (7, 259770660), (10, 181839462), (12, 151532885), (14, 129885330), (15, 121226308), (19, 95704980), (20, 90919731), (21, 86590220), (28, 64942665), (30, 60613154), (35, 51954132), (38, 47852490), (42, 43295110), (57, 31901660), (60, 30306577), (70, 25977066), (76, 23926245), (84, 21647555), (95, 19140996), (105, 17318044), (114, 15950830), (133, 13672140), (140, 12988533), (190, 9570498), (210, 8659022), (228, 7975415), (266, 6836070), (285, 6380332), (380, 4785249), (399, 4557380), (420, 4329511), (532, 3418035), (570, 3190166), (665, 2734428), (798, 2278690), (1140, 1595083), (1330, 1367214), (1596, 1139345), (1995, 911476), (2660, 683607), (3990, 455738), (7980, 227869)]