19523680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11093}}^1$

素因数の和:11119

約数の個数: 48

約数和(自身を含む): 50322384

約数和(自身を除く): 30798704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11093, 22186, 44372, 55465, 88744, 110930, 122023, 177488, 221860, 244046, 354976, 443720, 488092, 610115, 887440, 976184, 1220230, 1774880, 1952368, 2440460, 3904736, 4880920, 9761840, 19523680]

約数ペア:

[(1, 19523680), (2, 9761840), (4, 4880920), (5, 3904736), (8, 2440460), (10, 1952368), (11, 1774880), (16, 1220230), (20, 976184), (22, 887440), (32, 610115), (40, 488092), (44, 443720), (55, 354976), (80, 244046), (88, 221860), (110, 177488), (160, 122023), (176, 110930), (220, 88744), (352, 55465), (440, 44372), (880, 22186), (1760, 11093)]