19548230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 39132720

約数和(自身を除く): 19584490

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 269, 338, 430, 538, 559, 845, 1118, 1345, 1690, 2690, 2795, 3497, 5590, 6994, 7267, 11567, 14534, 17485, 23134, 34970, 36335, 45461, 57835, 72670, 90922, 115670, 150371, 227305, 300742, 454610, 751855, 1503710, 1954823, 3909646, 9774115, 19548230]

約数ペア:

[(1, 19548230), (2, 9774115), (5, 3909646), (10, 1954823), (13, 1503710), (26, 751855), (43, 454610), (65, 300742), (86, 227305), (130, 150371), (169, 115670), (215, 90922), (269, 72670), (338, 57835), (430, 45461), (538, 36335), (559, 34970), (845, 23134), (1118, 17485), (1345, 14534), (1690, 11567), (2690, 7267), (2795, 6994), (3497, 5590)]