19620972

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{227}}^1$

素因数の和:265

約数の個数: 90

約数和(自身を含む): 58115148

約数和(自身を除く): 38494176

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 227, 252, 294, 343, 441, 454, 588, 681, 686, 882, 908, 1029, 1362, 1372, 1589, 1764, 2043, 2058, 2401, 2724, 3087, 3178, 4086, 4116, 4767, 4802, 6174, 6356, 7203, 8172, 9534, 9604, 11123, 12348, 14301, 14406, 19068, 21609, 22246, 28602, 28812, 33369, 43218, 44492, 57204, 66738, 77861, 86436, 100107, 133476, 155722, 200214, 233583, 311444, 400428, 467166, 545027, 700749, 934332, 1090054, 1401498, 1635081, 2180108, 2802996, 3270162, 4905243, 6540324, 9810486, 19620972]

約数ペア:

[(1, 19620972), (2, 9810486), (3, 6540324), (4, 4905243), (6, 3270162), (7, 2802996), (9, 2180108), (12, 1635081), (14, 1401498), (18, 1090054), (21, 934332), (28, 700749), (36, 545027), (42, 467166), (49, 400428), (63, 311444), (84, 233583), (98, 200214), (126, 155722), (147, 133476), (196, 100107), (227, 86436), (252, 77861), (294, 66738), (343, 57204), (441, 44492), (454, 43218), (588, 33369), (681, 28812), (686, 28602), (882, 22246), (908, 21609), (1029, 19068), (1362, 14406), (1372, 14301), (1589, 12348), (1764, 11123), (2043, 9604), (2058, 9534), (2401, 8172), (2724, 7203), (3087, 6356), (3178, 6174), (4086, 4802), (4116, 4767)]