15919970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 32175360

約数和(自身を除く): 16255390

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 121, 223, 242, 295, 446, 590, 605, 649, 1115, 1210, 1298, 2230, 2453, 3245, 4906, 6490, 7139, 12265, 13157, 14278, 24530, 26314, 26983, 35695, 53966, 65785, 71390, 131570, 134915, 144727, 269830, 289454, 723635, 1447270, 1591997, 3183994, 7959985, 15919970]

約数ペア:

[(1, 15919970), (2, 7959985), (5, 3183994), (10, 1591997), (11, 1447270), (22, 723635), (55, 289454), (59, 269830), (110, 144727), (118, 134915), (121, 131570), (223, 71390), (242, 65785), (295, 53966), (446, 35695), (590, 26983), (605, 26314), (649, 24530), (1115, 14278), (1210, 13157), (1298, 12265), (2230, 7139), (2453, 6490), (3245, 4906)]