19657410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:983

約数の個数: 64

約数和(自身を含む): 50872320

約数和(自身を除く): 31214910

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 115, 138, 155, 186, 230, 310, 345, 465, 690, 713, 919, 930, 1426, 1838, 2139, 2757, 3565, 4278, 4595, 5514, 7130, 9190, 10695, 13785, 21137, 21390, 27570, 28489, 42274, 56978, 63411, 85467, 105685, 126822, 142445, 170934, 211370, 284890, 317055, 427335, 634110, 655247, 854670, 1310494, 1965741, 3276235, 3931482, 6552470, 9828705, 19657410]

約数ペア:

[(1, 19657410), (2, 9828705), (3, 6552470), (5, 3931482), (6, 3276235), (10, 1965741), (15, 1310494), (23, 854670), (30, 655247), (31, 634110), (46, 427335), (62, 317055), (69, 284890), (93, 211370), (115, 170934), (138, 142445), (155, 126822), (186, 105685), (230, 85467), (310, 63411), (345, 56978), (465, 42274), (690, 28489), (713, 27570), (919, 21390), (930, 21137), (1426, 13785), (1838, 10695), (2139, 9190), (2757, 7130), (3565, 5514), (4278, 4595)]