19701480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8641}}^1$

素因数の和:8674

約数の個数: 64

約数和(自身を含む): 62222400

約数和(自身を除く): 42520920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8641, 17282, 25923, 34564, 43205, 51846, 69128, 86410, 103692, 129615, 164179, 172820, 207384, 259230, 328358, 345640, 492537, 518460, 656716, 820895, 985074, 1036920, 1313432, 1641790, 1970148, 2462685, 3283580, 3940296, 4925370, 6567160, 9850740, 19701480]

約数ペア:

[(1, 19701480), (2, 9850740), (3, 6567160), (4, 4925370), (5, 3940296), (6, 3283580), (8, 2462685), (10, 1970148), (12, 1641790), (15, 1313432), (19, 1036920), (20, 985074), (24, 820895), (30, 656716), (38, 518460), (40, 492537), (57, 345640), (60, 328358), (76, 259230), (95, 207384), (114, 172820), (120, 164179), (152, 129615), (190, 103692), (228, 86410), (285, 69128), (380, 51846), (456, 43205), (570, 34564), (760, 25923), (1140, 17282), (2280, 8641)]