19429804975

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{53923}}^1$

素因数の和:54040

約数の個数: 48

約数和(自身を含む): 28886008320

約数和(自身を除く): 9456203345

約数列:

[1, 5, 7, 25, 29, 35, 71, 145, 175, 203, 355, 497, 725, 1015, 1775, 2059, 2485, 5075, 10295, 12425, 14413, 51475, 53923, 72065, 269615, 360325, 377461, 1348075, 1563767, 1887305, 3828533, 7818835, 9436525, 10946369, 19142665, 26799731, 39094175, 54731845, 95713325, 111027457, 133998655, 273659225, 555137285, 669993275, 777192199, 2775686425, 3885960995, 19429804975]

約数ペア:

[(1, 19429804975), (5, 3885960995), (7, 2775686425), (25, 777192199), (29, 669993275), (35, 555137285), (71, 273659225), (145, 133998655), (175, 111027457), (203, 95713325), (355, 54731845), (497, 39094175), (725, 26799731), (1015, 19142665), (1775, 10946369), (2059, 9436525), (2485, 7818835), (5075, 3828533), (10295, 1887305), (12425, 1563767), (14413, 1348075), (51475, 377461), (53923, 360325), (72065, 269615)]