19042370

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 38568960

約数和(自身を除く): 19526590

約数列:

[1, 2, 5, 10, 19, 31, 38, 53, 61, 62, 95, 106, 122, 155, 190, 265, 305, 310, 530, 589, 610, 1007, 1159, 1178, 1643, 1891, 2014, 2318, 2945, 3233, 3286, 3782, 5035, 5795, 5890, 6466, 8215, 9455, 10070, 11590, 16165, 16430, 18910, 31217, 32330, 35929, 61427, 62434, 71858, 100223, 122854, 156085, 179645, 200446, 307135, 312170, 359290, 501115, 614270, 1002230, 1904237, 3808474, 9521185, 19042370]

約数ペア:

[(1, 19042370), (2, 9521185), (5, 3808474), (10, 1904237), (19, 1002230), (31, 614270), (38, 501115), (53, 359290), (61, 312170), (62, 307135), (95, 200446), (106, 179645), (122, 156085), (155, 122854), (190, 100223), (265, 71858), (305, 62434), (310, 61427), (530, 35929), (589, 32330), (610, 31217), (1007, 18910), (1159, 16430), (1178, 16165), (1643, 11590), (1891, 10070), (2014, 9455), (2318, 8215), (2945, 6466), (3233, 5890), (3286, 5795), (3782, 5035)]