19120816

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 44559648

約数和(自身を除く): 25438832

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 61, 88, 104, 122, 137, 143, 176, 208, 244, 274, 286, 488, 548, 572, 671, 793, 976, 1096, 1144, 1342, 1507, 1586, 1781, 2192, 2288, 2684, 3014, 3172, 3562, 5368, 6028, 6344, 7124, 8357, 8723, 10736, 12056, 12688, 14248, 16714, 17446, 19591, 24112, 28496, 33428, 34892, 39182, 66856, 69784, 78364, 91927, 108641, 133712, 139568, 156728, 183854, 217282, 313456, 367708, 434564, 735416, 869128, 1195051, 1470832, 1738256, 2390102, 4780204, 9560408, 19120816]

約数ペア:

[(1, 19120816), (2, 9560408), (4, 4780204), (8, 2390102), (11, 1738256), (13, 1470832), (16, 1195051), (22, 869128), (26, 735416), (44, 434564), (52, 367708), (61, 313456), (88, 217282), (104, 183854), (122, 156728), (137, 139568), (143, 133712), (176, 108641), (208, 91927), (244, 78364), (274, 69784), (286, 66856), (488, 39182), (548, 34892), (572, 33428), (671, 28496), (793, 24112), (976, 19591), (1096, 17446), (1144, 16714), (1342, 14248), (1507, 12688), (1586, 12056), (1781, 10736), (2192, 8723), (2288, 8357), (2684, 7124), (3014, 6344), (3172, 6028), (3562, 5368)]