19846204

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 41126400

約数和(自身を除く): 21280196

約数列:

[1, 2, 4, 7, 14, 28, 67, 71, 134, 142, 149, 268, 284, 298, 469, 497, 596, 938, 994, 1043, 1876, 1988, 2086, 4172, 4757, 9514, 9983, 10579, 19028, 19966, 21158, 33299, 39932, 42316, 66598, 69881, 74053, 133196, 139762, 148106, 279524, 296212, 708793, 1417586, 2835172, 4961551, 9923102, 19846204]

約数ペア:

[(1, 19846204), (2, 9923102), (4, 4961551), (7, 2835172), (14, 1417586), (28, 708793), (67, 296212), (71, 279524), (134, 148106), (142, 139762), (149, 133196), (268, 74053), (284, 69881), (298, 66598), (469, 42316), (497, 39932), (596, 33299), (938, 21158), (994, 19966), (1043, 19028), (1876, 10579), (1988, 9983), (2086, 9514), (4172, 4757)]