19272820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 30078860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 47, 58, 70, 94, 101, 116, 140, 145, 188, 202, 203, 235, 290, 329, 404, 406, 470, 505, 580, 658, 707, 812, 940, 1010, 1015, 1316, 1363, 1414, 1645, 2020, 2030, 2726, 2828, 2929, 3290, 3535, 4060, 4747, 5452, 5858, 6580, 6815, 7070, 9494, 9541, 11716, 13630, 14140, 14645, 18988, 19082, 20503, 23735, 27260, 29290, 33229, 38164, 41006, 47470, 47705, 58580, 66458, 82012, 94940, 95410, 102515, 132916, 137663, 166145, 190820, 205030, 275326, 332290, 410060, 550652, 664580, 688315, 963641, 1376630, 1927282, 2753260, 3854564, 4818205, 9636410, 19272820]

約数ペア:

[(1, 19272820), (2, 9636410), (4, 4818205), (5, 3854564), (7, 2753260), (10, 1927282), (14, 1376630), (20, 963641), (28, 688315), (29, 664580), (35, 550652), (47, 410060), (58, 332290), (70, 275326), (94, 205030), (101, 190820), (116, 166145), (140, 137663), (145, 132916), (188, 102515), (202, 95410), (203, 94940), (235, 82012), (290, 66458), (329, 58580), (404, 47705), (406, 47470), (470, 41006), (505, 38164), (580, 33229), (658, 29290), (707, 27260), (812, 23735), (940, 20503), (1010, 19082), (1015, 18988), (1316, 14645), (1363, 14140), (1414, 13630), (1645, 11716), (2020, 9541), (2030, 9494), (2726, 7070), (2828, 6815), (2929, 6580), (3290, 5858), (3535, 5452), (4060, 4747)]