19845252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 58315712

約数和(自身を除く): 38470460

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1291, 1708, 2196, 2562, 2582, 3843, 3873, 5124, 5164, 7686, 7746, 9037, 11619, 15372, 15492, 18074, 23238, 27111, 36148, 46476, 54222, 78751, 81333, 108444, 157502, 162666, 236253, 315004, 325332, 472506, 551257, 708759, 945012, 1102514, 1417518, 1653771, 2205028, 2835036, 3307542, 4961313, 6615084, 9922626, 19845252]

約数ペア:

[(1, 19845252), (2, 9922626), (3, 6615084), (4, 4961313), (6, 3307542), (7, 2835036), (9, 2205028), (12, 1653771), (14, 1417518), (18, 1102514), (21, 945012), (28, 708759), (36, 551257), (42, 472506), (61, 325332), (63, 315004), (84, 236253), (122, 162666), (126, 157502), (183, 108444), (244, 81333), (252, 78751), (366, 54222), (427, 46476), (549, 36148), (732, 27111), (854, 23238), (1098, 18074), (1281, 15492), (1291, 15372), (1708, 11619), (2196, 9037), (2562, 7746), (2582, 7686), (3843, 5164), (3873, 5124)]