19154630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 40186368

約数和(自身を除く): 21031738

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 67, 110, 113, 115, 134, 226, 230, 253, 335, 506, 565, 670, 737, 1130, 1243, 1265, 1474, 1541, 2486, 2530, 2599, 3082, 3685, 5198, 6215, 7370, 7571, 7705, 12430, 12995, 15142, 15410, 16951, 25990, 28589, 33902, 37855, 57178, 75710, 83281, 84755, 142945, 166562, 169510, 174133, 285890, 348266, 416405, 832810, 870665, 1741330, 1915463, 3830926, 9577315, 19154630]

約数ペア:

[(1, 19154630), (2, 9577315), (5, 3830926), (10, 1915463), (11, 1741330), (22, 870665), (23, 832810), (46, 416405), (55, 348266), (67, 285890), (110, 174133), (113, 169510), (115, 166562), (134, 142945), (226, 84755), (230, 83281), (253, 75710), (335, 57178), (506, 37855), (565, 33902), (670, 28589), (737, 25990), (1130, 16951), (1243, 15410), (1265, 15142), (1474, 12995), (1541, 12430), (2486, 7705), (2530, 7571), (2599, 7370), (3082, 6215), (3685, 5198)]