19798272

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:696

約数の個数: 108

約数和(自身を含む): 61567324

約数和(自身を除く): 41769052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 661, 768, 832, 936, 1152, 1248, 1322, 1664, 1872, 1983, 2304, 2496, 2644, 3328, 3744, 3966, 4992, 5288, 5949, 7488, 7932, 8593, 9984, 10576, 11898, 14976, 15864, 17186, 21152, 23796, 25779, 29952, 31728, 34372, 42304, 47592, 51558, 63456, 68744, 77337, 84608, 95184, 103116, 126912, 137488, 154674, 169216, 190368, 206232, 253824, 274976, 309348, 380736, 412464, 507648, 549952, 618696, 761472, 824928, 1099904, 1237392, 1522944, 1649856, 2199808, 2474784, 3299712, 4949568, 6599424, 9899136, 19798272]

約数ペア:

[(1, 19798272), (2, 9899136), (3, 6599424), (4, 4949568), (6, 3299712), (8, 2474784), (9, 2199808), (12, 1649856), (13, 1522944), (16, 1237392), (18, 1099904), (24, 824928), (26, 761472), (32, 618696), (36, 549952), (39, 507648), (48, 412464), (52, 380736), (64, 309348), (72, 274976), (78, 253824), (96, 206232), (104, 190368), (117, 169216), (128, 154674), (144, 137488), (156, 126912), (192, 103116), (208, 95184), (234, 84608), (256, 77337), (288, 68744), (312, 63456), (384, 51558), (416, 47592), (468, 42304), (576, 34372), (624, 31728), (661, 29952), (768, 25779), (832, 23796), (936, 21152), (1152, 17186), (1248, 15864), (1322, 14976), (1664, 11898), (1872, 10576), (1983, 9984), (2304, 8593), (2496, 7932), (2644, 7488), (3328, 5949), (3744, 5288), (3966, 4992)]