18451890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3361}}^1$

素因数の和:3435

約数の個数: 48

約数和(自身を含む): 48775896

約数和(自身を除く): 30324006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 3361, 5490, 6722, 10083, 16805, 20166, 30249, 33610, 50415, 60498, 100830, 151245, 205021, 302490, 410042, 615063, 1025105, 1230126, 1845189, 2050210, 3075315, 3690378, 6150630, 9225945, 18451890]

約数ペア:

[(1, 18451890), (2, 9225945), (3, 6150630), (5, 3690378), (6, 3075315), (9, 2050210), (10, 1845189), (15, 1230126), (18, 1025105), (30, 615063), (45, 410042), (61, 302490), (90, 205021), (122, 151245), (183, 100830), (305, 60498), (366, 50415), (549, 33610), (610, 30249), (915, 20166), (1098, 16805), (1830, 10083), (2745, 6722), (3361, 5490)]