19494320

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3637}}^1$

素因数の和:3717

約数の個数: 40

約数和(自身を含む): 46013424

約数和(自身を除く): 26519104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3637, 5360, 7274, 14548, 18185, 29096, 36370, 58192, 72740, 145480, 243679, 290960, 487358, 974716, 1218395, 1949432, 2436790, 3898864, 4873580, 9747160, 19494320]

約数ペア:

[(1, 19494320), (2, 9747160), (4, 4873580), (5, 3898864), (8, 2436790), (10, 1949432), (16, 1218395), (20, 974716), (40, 487358), (67, 290960), (80, 243679), (134, 145480), (268, 72740), (335, 58192), (536, 36370), (670, 29096), (1072, 18185), (1340, 14548), (2680, 7274), (3637, 5360)]