18490602

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 42134400

約数和(自身を除く): 23643798

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 43, 74, 78, 86, 111, 129, 149, 222, 258, 298, 447, 481, 559, 894, 962, 1118, 1443, 1591, 1677, 1937, 2886, 3182, 3354, 3874, 4773, 5513, 5811, 6407, 9546, 11026, 11622, 12814, 16539, 19221, 20683, 33078, 38442, 41366, 62049, 71669, 83291, 124098, 143338, 166582, 215007, 237059, 249873, 430014, 474118, 499746, 711177, 1422354, 3081767, 6163534, 9245301, 18490602]

約数ペア:

[(1, 18490602), (2, 9245301), (3, 6163534), (6, 3081767), (13, 1422354), (26, 711177), (37, 499746), (39, 474118), (43, 430014), (74, 249873), (78, 237059), (86, 215007), (111, 166582), (129, 143338), (149, 124098), (222, 83291), (258, 71669), (298, 62049), (447, 41366), (481, 38442), (559, 33078), (894, 20683), (962, 19221), (1118, 16539), (1443, 12814), (1591, 11622), (1677, 11026), (1937, 9546), (2886, 6407), (3182, 5811), (3354, 5513), (3874, 4773)]