18759774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 43296768

約数和(自身を除く): 24536994

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 53, 62, 66, 93, 106, 159, 173, 186, 318, 341, 346, 519, 583, 682, 1023, 1038, 1166, 1643, 1749, 1903, 2046, 3286, 3498, 3806, 4929, 5363, 5709, 9169, 9858, 10726, 11418, 16089, 18073, 18338, 27507, 32178, 36146, 54219, 55014, 58993, 100859, 108438, 117986, 176979, 201718, 284239, 302577, 353958, 568478, 605154, 852717, 1705434, 3126629, 6253258, 9379887, 18759774]

約数ペア:

[(1, 18759774), (2, 9379887), (3, 6253258), (6, 3126629), (11, 1705434), (22, 852717), (31, 605154), (33, 568478), (53, 353958), (62, 302577), (66, 284239), (93, 201718), (106, 176979), (159, 117986), (173, 108438), (186, 100859), (318, 58993), (341, 55014), (346, 54219), (519, 36146), (583, 32178), (682, 27507), (1023, 18338), (1038, 18073), (1166, 16089), (1643, 11418), (1749, 10726), (1903, 9858), (2046, 9169), (3286, 5709), (3498, 5363), (3806, 4929)]