19494780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{5507}}^1$

素因数の和:5578

約数の個数: 48

約数和(自身を含む): 55520640

約数和(自身を除く): 36025860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 59, 60, 118, 177, 236, 295, 354, 590, 708, 885, 1180, 1770, 3540, 5507, 11014, 16521, 22028, 27535, 33042, 55070, 66084, 82605, 110140, 165210, 324913, 330420, 649826, 974739, 1299652, 1624565, 1949478, 3249130, 3898956, 4873695, 6498260, 9747390, 19494780]

約数ペア:

[(1, 19494780), (2, 9747390), (3, 6498260), (4, 4873695), (5, 3898956), (6, 3249130), (10, 1949478), (12, 1624565), (15, 1299652), (20, 974739), (30, 649826), (59, 330420), (60, 324913), (118, 165210), (177, 110140), (236, 82605), (295, 66084), (354, 55070), (590, 33042), (708, 27535), (885, 22028), (1180, 16521), (1770, 11014), (3540, 5507)]