19875184

素因数分解:

$2^4\times 7^2\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:374

約数の個数: 60

約数和(自身を含む): 45418968

約数和(自身を除く): 25543784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 101, 112, 196, 202, 251, 392, 404, 502, 707, 784, 808, 1004, 1414, 1616, 1757, 2008, 2828, 3514, 4016, 4949, 5656, 7028, 9898, 11312, 12299, 14056, 19796, 24598, 25351, 28112, 39592, 49196, 50702, 79184, 98392, 101404, 177457, 196784, 202808, 354914, 405616, 709828, 1242199, 1419656, 2484398, 2839312, 4968796, 9937592, 19875184]

約数ペア:

[(1, 19875184), (2, 9937592), (4, 4968796), (7, 2839312), (8, 2484398), (14, 1419656), (16, 1242199), (28, 709828), (49, 405616), (56, 354914), (98, 202808), (101, 196784), (112, 177457), (196, 101404), (202, 98392), (251, 79184), (392, 50702), (404, 49196), (502, 39592), (707, 28112), (784, 25351), (808, 24598), (1004, 19796), (1414, 14056), (1616, 12299), (1757, 11312), (2008, 9898), (2828, 7028), (3514, 5656), (4016, 4949)]