19168240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2633}}^1$

素因数の和:2666

約数の個数: 80

約数和(自身を含む): 54871488

約数和(自身を除く): 35703248

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2633, 3640, 5266, 7280, 10532, 13165, 18431, 21064, 26330, 34229, 36862, 42128, 52660, 68458, 73724, 92155, 105320, 136916, 147448, 171145, 184310, 210640, 239603, 273832, 294896, 342290, 368620, 479206, 547664, 684580, 737240, 958412, 1198015, 1369160, 1474480, 1916824, 2396030, 2738320, 3833648, 4792060, 9584120, 19168240]

約数ペア:

[(1, 19168240), (2, 9584120), (4, 4792060), (5, 3833648), (7, 2738320), (8, 2396030), (10, 1916824), (13, 1474480), (14, 1369160), (16, 1198015), (20, 958412), (26, 737240), (28, 684580), (35, 547664), (40, 479206), (52, 368620), (56, 342290), (65, 294896), (70, 273832), (80, 239603), (91, 210640), (104, 184310), (112, 171145), (130, 147448), (140, 136916), (182, 105320), (208, 92155), (260, 73724), (280, 68458), (364, 52660), (455, 42128), (520, 36862), (560, 34229), (728, 26330), (910, 21064), (1040, 18431), (1456, 13165), (1820, 10532), (2633, 7280), (3640, 5266)]