18990336

素因数分解:

$2^8\times 3^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 51345280

約数和(自身を除く): 32354944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 192, 237, 256, 313, 316, 384, 474, 626, 632, 768, 939, 948, 1252, 1264, 1878, 1896, 2504, 2528, 3756, 3792, 5008, 5056, 7512, 7584, 10016, 10112, 15024, 15168, 20032, 20224, 24727, 30048, 30336, 40064, 49454, 60096, 60672, 74181, 80128, 98908, 120192, 148362, 197816, 240384, 296724, 395632, 593448, 791264, 1186896, 1582528, 2373792, 3165056, 4747584, 6330112, 9495168, 18990336]

約数ペア:

[(1, 18990336), (2, 9495168), (3, 6330112), (4, 4747584), (6, 3165056), (8, 2373792), (12, 1582528), (16, 1186896), (24, 791264), (32, 593448), (48, 395632), (64, 296724), (79, 240384), (96, 197816), (128, 148362), (158, 120192), (192, 98908), (237, 80128), (256, 74181), (313, 60672), (316, 60096), (384, 49454), (474, 40064), (626, 30336), (632, 30048), (768, 24727), (939, 20224), (948, 20032), (1252, 15168), (1264, 15024), (1878, 10112), (1896, 10016), (2504, 7584), (2528, 7512), (3756, 5056), (3792, 5008)]