18688474

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 35366400

約数和(自身を除く): 16677926

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 149, 217, 238, 289, 298, 434, 527, 578, 1043, 1054, 2023, 2086, 2533, 3689, 4046, 4619, 5066, 7378, 8959, 9238, 17731, 17918, 32333, 35462, 43061, 62713, 64666, 78523, 86122, 125426, 157046, 301427, 549661, 602854, 1099322, 1334891, 2669782, 9344237, 18688474]

約数ペア:

[(1, 18688474), (2, 9344237), (7, 2669782), (14, 1334891), (17, 1099322), (31, 602854), (34, 549661), (62, 301427), (119, 157046), (149, 125426), (217, 86122), (238, 78523), (289, 64666), (298, 62713), (434, 43061), (527, 35462), (578, 32333), (1043, 17918), (1054, 17731), (2023, 9238), (2086, 8959), (2533, 7378), (3689, 5066), (4046, 4619)]