18238920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21713}}^1$

素因数の和:21734

約数の個数: 64

約数和(自身を含む): 62536320

約数和(自身を除く): 44297400

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, 21713, 43426, 65139, 86852, 108565, 130278, 151991, 173704, 217130, 260556, 303982, 325695, 434260, 455973, 521112, 607964, 651390, 759955, 868520, 911946, 1215928, 1302780, 1519910, 1823892, 2279865, 2605560, 3039820, 3647784, 4559730, 6079640, 9119460, 18238920]

約数ペア:

[(1, 18238920), (2, 9119460), (3, 6079640), (4, 4559730), (5, 3647784), (6, 3039820), (7, 2605560), (8, 2279865), (10, 1823892), (12, 1519910), (14, 1302780), (15, 1215928), (20, 911946), (21, 868520), (24, 759955), (28, 651390), (30, 607964), (35, 521112), (40, 455973), (42, 434260), (56, 325695), (60, 303982), (70, 260556), (84, 217130), (105, 173704), (120, 151991), (140, 130278), (168, 108565), (210, 86852), (280, 65139), (420, 43426), (840, 21713)]