18026748

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 30720132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 58, 62, 87, 93, 116, 124, 174, 186, 261, 279, 348, 372, 522, 557, 558, 899, 1044, 1114, 1116, 1671, 1798, 2228, 2697, 3342, 3596, 5013, 5394, 6684, 8091, 10026, 10788, 16153, 16182, 17267, 20052, 32306, 32364, 34534, 48459, 51801, 64612, 69068, 96918, 103602, 145377, 155403, 193836, 207204, 290754, 310806, 500743, 581508, 621612, 1001486, 1502229, 2002972, 3004458, 4506687, 6008916, 9013374, 18026748]

約数ペア:

[(1, 18026748), (2, 9013374), (3, 6008916), (4, 4506687), (6, 3004458), (9, 2002972), (12, 1502229), (18, 1001486), (29, 621612), (31, 581508), (36, 500743), (58, 310806), (62, 290754), (87, 207204), (93, 193836), (116, 155403), (124, 145377), (174, 103602), (186, 96918), (261, 69068), (279, 64612), (348, 51801), (372, 48459), (522, 34534), (557, 32364), (558, 32306), (899, 20052), (1044, 17267), (1114, 16182), (1116, 16153), (1671, 10788), (1798, 10026), (2228, 8091), (2697, 6684), (3342, 5394), (3596, 5013)]