18562788

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 30184092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 79, 107, 122, 158, 183, 214, 237, 244, 316, 321, 366, 428, 474, 549, 642, 711, 732, 948, 963, 1098, 1284, 1422, 1926, 2196, 2844, 3852, 4819, 6527, 8453, 9638, 13054, 14457, 16906, 19276, 19581, 25359, 26108, 28914, 33812, 39162, 43371, 50718, 57828, 58743, 76077, 78324, 86742, 101436, 117486, 152154, 173484, 234972, 304308, 515633, 1031266, 1546899, 2062532, 3093798, 4640697, 6187596, 9281394, 18562788]

約数ペア:

[(1, 18562788), (2, 9281394), (3, 6187596), (4, 4640697), (6, 3093798), (9, 2062532), (12, 1546899), (18, 1031266), (36, 515633), (61, 304308), (79, 234972), (107, 173484), (122, 152154), (158, 117486), (183, 101436), (214, 86742), (237, 78324), (244, 76077), (316, 58743), (321, 57828), (366, 50718), (428, 43371), (474, 39162), (549, 33812), (642, 28914), (711, 26108), (732, 25359), (948, 19581), (963, 19276), (1098, 16906), (1284, 14457), (1422, 13054), (1926, 9638), (2196, 8453), (2844, 6527), (3852, 4819)]