19211640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22871}}^1$

素因数の和:22892

約数の個数: 64

約数和(自身を含む): 65871360

約数和(自身を除く): 46659720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22871, 45742, 68613, 91484, 114355, 137226, 160097, 182968, 228710, 274452, 320194, 343065, 457420, 480291, 548904, 640388, 686130, 800485, 914840, 960582, 1280776, 1372260, 1600970, 1921164, 2401455, 2744520, 3201940, 3842328, 4802910, 6403880, 9605820, 19211640]

約数ペア:

[(1, 19211640), (2, 9605820), (3, 6403880), (4, 4802910), (5, 3842328), (6, 3201940), (7, 2744520), (8, 2401455), (10, 1921164), (12, 1600970), (14, 1372260), (15, 1280776), (20, 960582), (21, 914840), (24, 800485), (28, 686130), (30, 640388), (35, 548904), (40, 480291), (42, 457420), (56, 343065), (60, 320194), (70, 274452), (84, 228710), (105, 182968), (120, 160097), (140, 137226), (168, 114355), (210, 91484), (280, 68613), (420, 45742), (840, 22871)]