18646892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 38229408

約数和(自身を除く): 19582516

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 97, 187, 194, 257, 374, 388, 514, 748, 1028, 1067, 1649, 2134, 2827, 3298, 4268, 4369, 5654, 6596, 8738, 11308, 17476, 18139, 24929, 36278, 48059, 49858, 72556, 96118, 99716, 192236, 274219, 423793, 548438, 847586, 1096876, 1695172, 4661723, 9323446, 18646892]

約数ペア:

[(1, 18646892), (2, 9323446), (4, 4661723), (11, 1695172), (17, 1096876), (22, 847586), (34, 548438), (44, 423793), (68, 274219), (97, 192236), (187, 99716), (194, 96118), (257, 72556), (374, 49858), (388, 48059), (514, 36278), (748, 24929), (1028, 18139), (1067, 17476), (1649, 11308), (2134, 8738), (2827, 6596), (3298, 5654), (4268, 4369)]