19545015

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 38384640

約数和(自身を除く): 18839625

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 97, 101, 105, 133, 285, 291, 303, 399, 485, 505, 665, 679, 707, 1455, 1515, 1843, 1919, 1995, 2037, 2121, 3395, 3535, 5529, 5757, 9215, 9595, 9797, 10185, 10605, 12901, 13433, 27645, 28785, 29391, 38703, 40299, 48985, 64505, 67165, 68579, 146955, 186143, 193515, 201495, 205737, 342895, 558429, 930715, 1028685, 1303001, 2792145, 3909003, 6515005, 19545015]

約数ペア:

[(1, 19545015), (3, 6515005), (5, 3909003), (7, 2792145), (15, 1303001), (19, 1028685), (21, 930715), (35, 558429), (57, 342895), (95, 205737), (97, 201495), (101, 193515), (105, 186143), (133, 146955), (285, 68579), (291, 67165), (303, 64505), (399, 48985), (485, 40299), (505, 38703), (665, 29391), (679, 28785), (707, 27645), (1455, 13433), (1515, 12901), (1843, 10605), (1919, 10185), (1995, 9797), (2037, 9595), (2121, 9215), (3395, 5757), (3535, 5529)]