18748730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1873}}^1$

素因数の和:1911

約数の個数: 64

約数和(自身を含む): 45335808

約数和(自身を除く): 26587078

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 1873, 2002, 3746, 5005, 9365, 10010, 13111, 18730, 20603, 24349, 26222, 41206, 48698, 65555, 103015, 121745, 131110, 144221, 170443, 206030, 243490, 267839, 288442, 340886, 535678, 721105, 852215, 1339195, 1442210, 1704430, 1874873, 2678390, 3749746, 9374365, 18748730]

約数ペア:

[(1, 18748730), (2, 9374365), (5, 3749746), (7, 2678390), (10, 1874873), (11, 1704430), (13, 1442210), (14, 1339195), (22, 852215), (26, 721105), (35, 535678), (55, 340886), (65, 288442), (70, 267839), (77, 243490), (91, 206030), (110, 170443), (130, 144221), (143, 131110), (154, 121745), (182, 103015), (286, 65555), (385, 48698), (455, 41206), (715, 26222), (770, 24349), (910, 20603), (1001, 18730), (1430, 13111), (1873, 10010), (2002, 9365), (3746, 5005)]