18837840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11213}}^1$

素因数の和:11236

約数の個数: 80

約数和(自身を含む): 66745728

約数和(自身を除く): 47907888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11213, 22426, 33639, 44852, 56065, 67278, 78491, 89704, 112130, 134556, 156982, 168195, 179408, 224260, 235473, 269112, 313964, 336390, 392455, 448520, 470946, 538224, 627928, 672780, 784910, 897040, 941892, 1177365, 1255856, 1345560, 1569820, 1883784, 2354730, 2691120, 3139640, 3767568, 4709460, 6279280, 9418920, 18837840]

約数ペア:

[(1, 18837840), (2, 9418920), (3, 6279280), (4, 4709460), (5, 3767568), (6, 3139640), (7, 2691120), (8, 2354730), (10, 1883784), (12, 1569820), (14, 1345560), (15, 1255856), (16, 1177365), (20, 941892), (21, 897040), (24, 784910), (28, 672780), (30, 627928), (35, 538224), (40, 470946), (42, 448520), (48, 392455), (56, 336390), (60, 313964), (70, 269112), (80, 235473), (84, 224260), (105, 179408), (112, 168195), (120, 156982), (140, 134556), (168, 112130), (210, 89704), (240, 78491), (280, 67278), (336, 56065), (420, 44852), (560, 33639), (840, 22426), (1680, 11213)]