19528587

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 14340213

約数列:

[1, 3, 9, 13, 23, 27, 39, 41, 59, 69, 117, 123, 177, 207, 299, 351, 369, 531, 533, 621, 767, 897, 943, 1107, 1357, 1593, 1599, 2301, 2419, 2691, 2829, 4071, 4797, 6903, 7257, 8073, 8487, 12213, 12259, 14391, 17641, 20709, 21771, 25461, 31447, 36639, 36777, 52923, 55637, 65313, 94341, 110331, 158769, 166911, 283023, 330993, 476307, 500733, 723281, 849069, 1502199, 2169843, 6509529, 19528587]

約数ペア:

[(1, 19528587), (3, 6509529), (9, 2169843), (13, 1502199), (23, 849069), (27, 723281), (39, 500733), (41, 476307), (59, 330993), (69, 283023), (117, 166911), (123, 158769), (177, 110331), (207, 94341), (299, 65313), (351, 55637), (369, 52923), (531, 36777), (533, 36639), (621, 31447), (767, 25461), (897, 21771), (943, 20709), (1107, 17641), (1357, 14391), (1593, 12259), (1599, 12213), (2301, 8487), (2419, 8073), (2691, 7257), (2829, 6903), (4071, 4797)]