19882422

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 80

約数和(自身を含む): 51749280

約数和(自身を除く): 31866858

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 89, 126, 162, 178, 189, 197, 267, 378, 394, 534, 567, 591, 623, 801, 1134, 1182, 1246, 1379, 1602, 1773, 1869, 2403, 2758, 3546, 3738, 4137, 4806, 5319, 5607, 7209, 8274, 10638, 11214, 12411, 14418, 15957, 16821, 17533, 24822, 31914, 33642, 35066, 37233, 50463, 52599, 74466, 100926, 105198, 111699, 122731, 157797, 223398, 245462, 315594, 368193, 473391, 736386, 946782, 1104579, 1420173, 2209158, 2840346, 3313737, 6627474, 9941211, 19882422]

約数ペア:

[(1, 19882422), (2, 9941211), (3, 6627474), (6, 3313737), (7, 2840346), (9, 2209158), (14, 1420173), (18, 1104579), (21, 946782), (27, 736386), (42, 473391), (54, 368193), (63, 315594), (81, 245462), (89, 223398), (126, 157797), (162, 122731), (178, 111699), (189, 105198), (197, 100926), (267, 74466), (378, 52599), (394, 50463), (534, 37233), (567, 35066), (591, 33642), (623, 31914), (801, 24822), (1134, 17533), (1182, 16821), (1246, 15957), (1379, 14418), (1602, 12411), (1773, 11214), (1869, 10638), (2403, 8274), (2758, 7209), (3546, 5607), (3738, 5319), (4137, 4806)]