19002880

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:607

約数の個数: 80

約数和(自身を含む): 49153104

約数和(自身を除く): 30150224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 571, 640, 832, 1040, 1142, 1280, 1664, 2080, 2284, 2560, 2855, 3328, 4160, 4568, 5710, 6656, 7423, 8320, 9136, 11420, 14846, 16640, 18272, 22840, 29692, 33280, 36544, 37115, 45680, 59384, 73088, 74230, 91360, 118768, 146176, 148460, 182720, 237536, 292352, 296920, 365440, 475072, 593840, 730880, 950144, 1187680, 1461760, 1900288, 2375360, 3800576, 4750720, 9501440, 19002880]

約数ペア:

[(1, 19002880), (2, 9501440), (4, 4750720), (5, 3800576), (8, 2375360), (10, 1900288), (13, 1461760), (16, 1187680), (20, 950144), (26, 730880), (32, 593840), (40, 475072), (52, 365440), (64, 296920), (65, 292352), (80, 237536), (104, 182720), (128, 148460), (130, 146176), (160, 118768), (208, 91360), (256, 74230), (260, 73088), (320, 59384), (416, 45680), (512, 37115), (520, 36544), (571, 33280), (640, 29692), (832, 22840), (1040, 18272), (1142, 16640), (1280, 14846), (1664, 11420), (2080, 9136), (2284, 8320), (2560, 7423), (2855, 6656), (3328, 5710), (4160, 4568)]