18895728

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{20719}}^1$

素因数の和:20749

約数の個数: 40

約数和(自身を含む): 51385600

約数和(自身を除く): 32489872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 20719, 41438, 62157, 82876, 124314, 165752, 248628, 331504, 393661, 497256, 787322, 994512, 1180983, 1574644, 2361966, 3149288, 4723932, 6298576, 9447864, 18895728]

約数ペア:

[(1, 18895728), (2, 9447864), (3, 6298576), (4, 4723932), (6, 3149288), (8, 2361966), (12, 1574644), (16, 1180983), (19, 994512), (24, 787322), (38, 497256), (48, 393661), (57, 331504), (76, 248628), (114, 165752), (152, 124314), (228, 82876), (304, 62157), (456, 41438), (912, 20719)]