19538556

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1082

約数の個数: 48

約数和(自身を含む): 47996928

約数和(自身を除く): 28458372

約数列:

[1, 2, 3, 4, 6, 12, 31, 53, 62, 93, 106, 124, 159, 186, 212, 318, 372, 636, 991, 1643, 1982, 2973, 3286, 3964, 4929, 5946, 6572, 9858, 11892, 19716, 30721, 52523, 61442, 92163, 105046, 122884, 157569, 184326, 210092, 315138, 368652, 630276, 1628213, 3256426, 4884639, 6512852, 9769278, 19538556]

約数ペア:

[(1, 19538556), (2, 9769278), (3, 6512852), (4, 4884639), (6, 3256426), (12, 1628213), (31, 630276), (53, 368652), (62, 315138), (93, 210092), (106, 184326), (124, 157569), (159, 122884), (186, 105046), (212, 92163), (318, 61442), (372, 52523), (636, 30721), (991, 19716), (1643, 11892), (1982, 9858), (2973, 6572), (3286, 5946), (3964, 4929)]