19135280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12589}}^1$

素因数の和:12621

約数の個数: 40

約数和(自身を含む): 46834800

約数和(自身を除く): 27699520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12589, 25178, 50356, 62945, 100712, 125890, 201424, 239191, 251780, 478382, 503560, 956764, 1007120, 1195955, 1913528, 2391910, 3827056, 4783820, 9567640, 19135280]

約数ペア:

[(1, 19135280), (2, 9567640), (4, 4783820), (5, 3827056), (8, 2391910), (10, 1913528), (16, 1195955), (19, 1007120), (20, 956764), (38, 503560), (40, 478382), (76, 251780), (80, 239191), (95, 201424), (152, 125890), (190, 100712), (304, 62945), (380, 50356), (760, 25178), (1520, 12589)]