19380452

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1439}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 23520028

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1439, 1924, 2878, 3367, 5756, 6734, 10073, 13468, 18707, 20146, 37414, 40292, 53243, 74828, 106486, 130949, 212972, 261898, 372701, 523796, 692159, 745402, 1384318, 1490804, 2768636, 4845113, 9690226, 19380452]

約数ペア:

[(1, 19380452), (2, 9690226), (4, 4845113), (7, 2768636), (13, 1490804), (14, 1384318), (26, 745402), (28, 692159), (37, 523796), (52, 372701), (74, 261898), (91, 212972), (148, 130949), (182, 106486), (259, 74828), (364, 53243), (481, 40292), (518, 37414), (962, 20146), (1036, 18707), (1439, 13468), (1924, 10073), (2878, 6734), (3367, 5756)]