2153916

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 5940480

約数和(自身を除く): 3786564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 47, 57, 67, 76, 94, 114, 134, 141, 171, 188, 201, 228, 268, 282, 342, 402, 423, 564, 603, 684, 804, 846, 893, 1206, 1273, 1692, 1786, 2412, 2546, 2679, 3149, 3572, 3819, 5092, 5358, 6298, 7638, 8037, 9447, 10716, 11457, 12596, 15276, 16074, 18894, 22914, 28341, 32148, 37788, 45828, 56682, 59831, 113364, 119662, 179493, 239324, 358986, 538479, 717972, 1076958, 2153916]

約数ペア:

[(1, 2153916), (2, 1076958), (3, 717972), (4, 538479), (6, 358986), (9, 239324), (12, 179493), (18, 119662), (19, 113364), (36, 59831), (38, 56682), (47, 45828), (57, 37788), (67, 32148), (76, 28341), (94, 22914), (114, 18894), (134, 16074), (141, 15276), (171, 12596), (188, 11457), (201, 10716), (228, 9447), (268, 8037), (282, 7638), (342, 6298), (402, 5358), (423, 5092), (564, 3819), (603, 3572), (684, 3149), (804, 2679), (846, 2546), (893, 2412), (1206, 1786), (1273, 1692)]