19031008

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 39931920

約数和(自身を除く): 20900912

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 113, 152, 226, 277, 304, 452, 554, 608, 904, 1108, 1808, 2147, 2216, 3616, 4294, 4432, 5263, 8588, 8864, 10526, 17176, 21052, 31301, 34352, 42104, 62602, 68704, 84208, 125204, 168416, 250408, 500816, 594719, 1001632, 1189438, 2378876, 4757752, 9515504, 19031008]

約数ペア:

[(1, 19031008), (2, 9515504), (4, 4757752), (8, 2378876), (16, 1189438), (19, 1001632), (32, 594719), (38, 500816), (76, 250408), (113, 168416), (152, 125204), (226, 84208), (277, 68704), (304, 62602), (452, 42104), (554, 34352), (608, 31301), (904, 21052), (1108, 17176), (1808, 10526), (2147, 8864), (2216, 8588), (3616, 5263), (4294, 4432)]