18289764

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 48048000

約数和(自身を除く): 29758236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 79, 109, 118, 158, 177, 218, 236, 237, 316, 327, 354, 436, 474, 531, 654, 708, 711, 948, 981, 1062, 1308, 1422, 1962, 2124, 2844, 3924, 4661, 6431, 8611, 9322, 12862, 13983, 17222, 18644, 19293, 25724, 25833, 27966, 34444, 38586, 41949, 51666, 55932, 57879, 77172, 77499, 83898, 103332, 115758, 154998, 167796, 231516, 309996, 508049, 1016098, 1524147, 2032196, 3048294, 4572441, 6096588, 9144882, 18289764]

約数ペア:

[(1, 18289764), (2, 9144882), (3, 6096588), (4, 4572441), (6, 3048294), (9, 2032196), (12, 1524147), (18, 1016098), (36, 508049), (59, 309996), (79, 231516), (109, 167796), (118, 154998), (158, 115758), (177, 103332), (218, 83898), (236, 77499), (237, 77172), (316, 57879), (327, 55932), (354, 51666), (436, 41949), (474, 38586), (531, 34444), (654, 27966), (708, 25833), (711, 25724), (948, 19293), (981, 18644), (1062, 17222), (1308, 13983), (1422, 12862), (1962, 9322), (2124, 8611), (2844, 6431), (3924, 4661)]