19844170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 39502080

約数和(自身を除く): 19657910

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 239, 361, 437, 478, 722, 874, 1195, 1805, 2185, 2390, 3610, 4370, 4541, 5497, 8303, 9082, 10994, 16606, 22705, 27485, 41515, 45410, 54970, 83030, 86279, 104443, 172558, 208886, 431395, 522215, 862790, 1044430, 1984417, 3968834, 9922085, 19844170]

約数ペア:

[(1, 19844170), (2, 9922085), (5, 3968834), (10, 1984417), (19, 1044430), (23, 862790), (38, 522215), (46, 431395), (95, 208886), (115, 172558), (190, 104443), (230, 86279), (239, 83030), (361, 54970), (437, 45410), (478, 41515), (722, 27485), (874, 22705), (1195, 16606), (1805, 10994), (2185, 9082), (2390, 8303), (3610, 5497), (4370, 4541)]