19193420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{953}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 24080020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 953, 1007, 1060, 1906, 2014, 3812, 4028, 4765, 5035, 9530, 10070, 18107, 19060, 20140, 36214, 50509, 72428, 90535, 101018, 181070, 202036, 252545, 362140, 505090, 959671, 1010180, 1919342, 3838684, 4798355, 9596710, 19193420]

約数ペア:

[(1, 19193420), (2, 9596710), (4, 4798355), (5, 3838684), (10, 1919342), (19, 1010180), (20, 959671), (38, 505090), (53, 362140), (76, 252545), (95, 202036), (106, 181070), (190, 101018), (212, 90535), (265, 72428), (380, 50509), (530, 36214), (953, 20140), (1007, 19060), (1060, 18107), (1906, 10070), (2014, 9530), (3812, 5035), (4028, 4765)]