18128668844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{446387}}^1$

素因数の和:446486

約数の個数: 48

約数和(自身を含む): 37796564736

約数和(自身を除く): 19667895892

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1846, 3124, 3692, 10153, 20306, 40612, 446387, 892774, 1785548, 4910257, 5803031, 9820514, 11606062, 19641028, 23212124, 31693477, 63386954, 63833341, 126773908, 127666682, 255333364, 348628247, 412015201, 697256494, 824030402, 1394512988, 1648060804, 4532167211, 9064334422, 18128668844]

約数ペア:

[(1, 18128668844), (2, 9064334422), (4, 4532167211), (11, 1648060804), (13, 1394512988), (22, 824030402), (26, 697256494), (44, 412015201), (52, 348628247), (71, 255333364), (142, 127666682), (143, 126773908), (284, 63833341), (286, 63386954), (572, 31693477), (781, 23212124), (923, 19641028), (1562, 11606062), (1846, 9820514), (3124, 5803031), (3692, 4910257), (10153, 1785548), (20306, 892774), (40612, 446387)]