18697368

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:472

約数の個数: 64

約数和(自身を含む): 49737600

約数和(自身を除く): 31040232

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 131, 152, 228, 262, 313, 393, 456, 524, 626, 786, 939, 1048, 1252, 1572, 1878, 2489, 2504, 3144, 3756, 4978, 5947, 7467, 7512, 9956, 11894, 14934, 17841, 19912, 23788, 29868, 35682, 41003, 47576, 59736, 71364, 82006, 123009, 142728, 164012, 246018, 328024, 492036, 779057, 984072, 1558114, 2337171, 3116228, 4674342, 6232456, 9348684, 18697368]

約数ペア:

[(1, 18697368), (2, 9348684), (3, 6232456), (4, 4674342), (6, 3116228), (8, 2337171), (12, 1558114), (19, 984072), (24, 779057), (38, 492036), (57, 328024), (76, 246018), (114, 164012), (131, 142728), (152, 123009), (228, 82006), (262, 71364), (313, 59736), (393, 47576), (456, 41003), (524, 35682), (626, 29868), (786, 23788), (939, 19912), (1048, 17841), (1252, 14934), (1572, 11894), (1878, 9956), (2489, 7512), (2504, 7467), (3144, 5947), (3756, 4978)]