18703695

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 34099200

約数和(自身を除く): 15395505

約数列:

[1, 3, 5, 15, 19, 29, 31, 57, 73, 87, 93, 95, 145, 155, 219, 285, 365, 435, 465, 551, 589, 899, 1095, 1387, 1653, 1767, 2117, 2263, 2697, 2755, 2945, 4161, 4495, 6351, 6789, 6935, 8265, 8835, 10585, 11315, 13485, 17081, 20805, 31755, 33945, 40223, 42997, 51243, 65627, 85405, 120669, 128991, 196881, 201115, 214985, 256215, 328135, 603345, 644955, 984405, 1246913, 3740739, 6234565, 18703695]

約数ペア:

[(1, 18703695), (3, 6234565), (5, 3740739), (15, 1246913), (19, 984405), (29, 644955), (31, 603345), (57, 328135), (73, 256215), (87, 214985), (93, 201115), (95, 196881), (145, 128991), (155, 120669), (219, 85405), (285, 65627), (365, 51243), (435, 42997), (465, 40223), (551, 33945), (589, 31755), (899, 20805), (1095, 17081), (1387, 13485), (1653, 11315), (1767, 10585), (2117, 8835), (2263, 8265), (2697, 6935), (2755, 6789), (2945, 6351), (4161, 4495)]