19931820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19541}}^1$

素因数の和:19570

約数の個数: 48

約数和(自身を含む): 59095008

約数和(自身を除く): 39163188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19541, 39082, 58623, 78164, 97705, 117246, 195410, 234492, 293115, 332197, 390820, 586230, 664394, 996591, 1172460, 1328788, 1660985, 1993182, 3321970, 3986364, 4982955, 6643940, 9965910, 19931820]

約数ペア:

[(1, 19931820), (2, 9965910), (3, 6643940), (4, 4982955), (5, 3986364), (6, 3321970), (10, 1993182), (12, 1660985), (15, 1328788), (17, 1172460), (20, 996591), (30, 664394), (34, 586230), (51, 390820), (60, 332197), (68, 293115), (85, 234492), (102, 195410), (170, 117246), (204, 97705), (255, 78164), (340, 58623), (510, 39082), (1020, 19541)]