19215945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 38817792

約数和(自身を除く): 19601847

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 265, 315, 371, 477, 795, 1113, 1151, 1855, 2385, 3339, 3453, 5565, 5755, 8057, 10359, 16695, 17265, 24171, 40285, 51795, 61003, 72513, 120855, 183009, 305015, 362565, 427021, 549027, 915045, 1281063, 2135105, 2745135, 3843189, 6405315, 19215945]

約数ペア:

[(1, 19215945), (3, 6405315), (5, 3843189), (7, 2745135), (9, 2135105), (15, 1281063), (21, 915045), (35, 549027), (45, 427021), (53, 362565), (63, 305015), (105, 183009), (159, 120855), (265, 72513), (315, 61003), (371, 51795), (477, 40285), (795, 24171), (1113, 17265), (1151, 16695), (1855, 10359), (2385, 8057), (3339, 5755), (3453, 5565)]