18837532

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 20534948

約数列:

[1, 2, 4, 7, 14, 28, 41, 61, 82, 122, 164, 244, 269, 287, 427, 538, 574, 854, 1076, 1148, 1708, 1883, 2501, 3766, 5002, 7532, 10004, 11029, 16409, 17507, 22058, 32818, 35014, 44116, 65636, 70028, 77203, 114863, 154406, 229726, 308812, 459452, 672769, 1345538, 2691076, 4709383, 9418766, 18837532]

約数ペア:

[(1, 18837532), (2, 9418766), (4, 4709383), (7, 2691076), (14, 1345538), (28, 672769), (41, 459452), (61, 308812), (82, 229726), (122, 154406), (164, 114863), (244, 77203), (269, 70028), (287, 65636), (427, 44116), (538, 35014), (574, 32818), (854, 22058), (1076, 17507), (1148, 16409), (1708, 11029), (1883, 10004), (2501, 7532), (3766, 5002)]