19441840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22093}}^1$

素因数の和:22117

約数の個数: 40

約数和(自身を含む): 49313808

約数和(自身を除く): 29871968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22093, 44186, 88372, 110465, 176744, 220930, 243023, 353488, 441860, 486046, 883720, 972092, 1215115, 1767440, 1944184, 2430230, 3888368, 4860460, 9720920, 19441840]

約数ペア:

[(1, 19441840), (2, 9720920), (4, 4860460), (5, 3888368), (8, 2430230), (10, 1944184), (11, 1767440), (16, 1215115), (20, 972092), (22, 883720), (40, 486046), (44, 441860), (55, 353488), (80, 243023), (88, 220930), (110, 176744), (176, 110465), (220, 88372), (440, 44186), (880, 22093)]