19719756

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1597}}^1$

素因数の和:1628

約数の個数: 72

約数和(自身を含む): 58167200

約数和(自身を除く): 38447444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1597, 1764, 2058, 3087, 3194, 4116, 4791, 6174, 6388, 9582, 11179, 12348, 14373, 19164, 22358, 28746, 33537, 44716, 57492, 67074, 78253, 100611, 134148, 156506, 201222, 234759, 313012, 402444, 469518, 547771, 704277, 939036, 1095542, 1408554, 1643313, 2191084, 2817108, 3286626, 4929939, 6573252, 9859878, 19719756]

約数ペア:

[(1, 19719756), (2, 9859878), (3, 6573252), (4, 4929939), (6, 3286626), (7, 2817108), (9, 2191084), (12, 1643313), (14, 1408554), (18, 1095542), (21, 939036), (28, 704277), (36, 547771), (42, 469518), (49, 402444), (63, 313012), (84, 234759), (98, 201222), (126, 156506), (147, 134148), (196, 100611), (252, 78253), (294, 67074), (343, 57492), (441, 44716), (588, 33537), (686, 28746), (882, 22358), (1029, 19164), (1372, 14373), (1597, 12348), (1764, 11179), (2058, 9582), (3087, 6388), (3194, 6174), (4116, 4791)]