19835536

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 27304304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 31, 56, 58, 62, 112, 116, 124, 197, 203, 217, 232, 248, 394, 406, 434, 464, 496, 788, 812, 868, 899, 1379, 1576, 1624, 1736, 1798, 2758, 3152, 3248, 3472, 3596, 5516, 5713, 6107, 6293, 7192, 11032, 11426, 12214, 12586, 14384, 22064, 22852, 24428, 25172, 39991, 42749, 45704, 48856, 50344, 79982, 85498, 91408, 97712, 100688, 159964, 170996, 177103, 319928, 341992, 354206, 639856, 683984, 708412, 1239721, 1416824, 2479442, 2833648, 4958884, 9917768, 19835536]

約数ペア:

[(1, 19835536), (2, 9917768), (4, 4958884), (7, 2833648), (8, 2479442), (14, 1416824), (16, 1239721), (28, 708412), (29, 683984), (31, 639856), (56, 354206), (58, 341992), (62, 319928), (112, 177103), (116, 170996), (124, 159964), (197, 100688), (203, 97712), (217, 91408), (232, 85498), (248, 79982), (394, 50344), (406, 48856), (434, 45704), (464, 42749), (496, 39991), (788, 25172), (812, 24428), (868, 22852), (899, 22064), (1379, 14384), (1576, 12586), (1624, 12214), (1736, 11426), (1798, 11032), (2758, 7192), (3152, 6293), (3248, 6107), (3472, 5713), (3596, 5516)]