18204688

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 60

約数和(自身を含む): 38981632

約数和(自身を除く): 20776944

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 127, 136, 248, 254, 272, 289, 496, 508, 527, 578, 1016, 1054, 1156, 2032, 2108, 2159, 2312, 3937, 4216, 4318, 4624, 7874, 8432, 8636, 8959, 15748, 17272, 17918, 31496, 34544, 35836, 36703, 62992, 66929, 71672, 73406, 133858, 143344, 146812, 267716, 293624, 535432, 587248, 1070864, 1137793, 2275586, 4551172, 9102344, 18204688]

約数ペア:

[(1, 18204688), (2, 9102344), (4, 4551172), (8, 2275586), (16, 1137793), (17, 1070864), (31, 587248), (34, 535432), (62, 293624), (68, 267716), (124, 146812), (127, 143344), (136, 133858), (248, 73406), (254, 71672), (272, 66929), (289, 62992), (496, 36703), (508, 35836), (527, 34544), (578, 31496), (1016, 17918), (1054, 17272), (1156, 15748), (2032, 8959), (2108, 8636), (2159, 8432), (2312, 7874), (3937, 4624), (4216, 4318)]