19139730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 48394368

約数和(自身を除く): 29254638

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 185, 215, 222, 258, 370, 401, 430, 555, 645, 802, 1110, 1203, 1290, 1591, 2005, 2406, 3182, 4010, 4773, 6015, 7955, 9546, 12030, 14837, 15910, 17243, 23865, 29674, 34486, 44511, 47730, 51729, 74185, 86215, 89022, 103458, 148370, 172430, 222555, 258645, 445110, 517290, 637991, 1275982, 1913973, 3189955, 3827946, 6379910, 9569865, 19139730]

約数ペア:

[(1, 19139730), (2, 9569865), (3, 6379910), (5, 3827946), (6, 3189955), (10, 1913973), (15, 1275982), (30, 637991), (37, 517290), (43, 445110), (74, 258645), (86, 222555), (111, 172430), (129, 148370), (185, 103458), (215, 89022), (222, 86215), (258, 74185), (370, 51729), (401, 47730), (430, 44511), (555, 34486), (645, 29674), (802, 23865), (1110, 17243), (1203, 15910), (1290, 14837), (1591, 12030), (2005, 9546), (2406, 7955), (3182, 6015), (4010, 4773)]