18621232

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3137}}^1$

素因数の和:3205

約数の個数: 40

約数和(自身を含む): 42024096

約数和(自身を除く): 23402864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3137, 5936, 6274, 12548, 21959, 25096, 43918, 50192, 87836, 166261, 175672, 332522, 351344, 665044, 1163827, 1330088, 2327654, 2660176, 4655308, 9310616, 18621232]

約数ペア:

[(1, 18621232), (2, 9310616), (4, 4655308), (7, 2660176), (8, 2327654), (14, 1330088), (16, 1163827), (28, 665044), (53, 351344), (56, 332522), (106, 175672), (112, 166261), (212, 87836), (371, 50192), (424, 43918), (742, 25096), (848, 21959), (1484, 12548), (2968, 6274), (3137, 5936)]