19158516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 108

約数和(自身を含む): 54355392

約数和(自身を除く): 35196876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 67, 78, 94, 117, 134, 141, 156, 169, 188, 201, 234, 268, 282, 338, 402, 423, 468, 507, 564, 603, 611, 676, 804, 846, 871, 1014, 1206, 1222, 1521, 1692, 1742, 1833, 2028, 2412, 2444, 2613, 3042, 3149, 3484, 3666, 5226, 5499, 6084, 6298, 7332, 7839, 7943, 9447, 10452, 10998, 11323, 12596, 15678, 15886, 18894, 21996, 22646, 23829, 28341, 31356, 31772, 33969, 37788, 40937, 45292, 47658, 56682, 67938, 71487, 81874, 95316, 101907, 113364, 122811, 135876, 142974, 163748, 203814, 245622, 285948, 368433, 407628, 491244, 532181, 736866, 1064362, 1473732, 1596543, 2128724, 3193086, 4789629, 6386172, 9579258, 19158516]

約数ペア:

[(1, 19158516), (2, 9579258), (3, 6386172), (4, 4789629), (6, 3193086), (9, 2128724), (12, 1596543), (13, 1473732), (18, 1064362), (26, 736866), (36, 532181), (39, 491244), (47, 407628), (52, 368433), (67, 285948), (78, 245622), (94, 203814), (117, 163748), (134, 142974), (141, 135876), (156, 122811), (169, 113364), (188, 101907), (201, 95316), (234, 81874), (268, 71487), (282, 67938), (338, 56682), (402, 47658), (423, 45292), (468, 40937), (507, 37788), (564, 33969), (603, 31772), (611, 31356), (676, 28341), (804, 23829), (846, 22646), (871, 21996), (1014, 18894), (1206, 15886), (1222, 15678), (1521, 12596), (1692, 11323), (1742, 10998), (1833, 10452), (2028, 9447), (2412, 7943), (2444, 7839), (2613, 7332), (3042, 6298), (3149, 6084), (3484, 5499), (3666, 5226)]