19506760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 56609280

約数和(自身を除く): 37102520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 233, 260, 280, 299, 322, 364, 455, 460, 466, 520, 598, 644, 728, 805, 910, 920, 932, 1165, 1196, 1288, 1495, 1610, 1631, 1820, 1864, 2093, 2330, 2392, 2990, 3029, 3220, 3262, 3640, 4186, 4660, 5359, 5980, 6058, 6440, 6524, 8155, 8372, 9320, 10465, 10718, 11960, 12116, 13048, 15145, 16310, 16744, 20930, 21203, 21436, 24232, 26795, 30290, 32620, 37513, 41860, 42406, 42872, 53590, 60580, 65240, 69667, 75026, 83720, 84812, 106015, 107180, 121160, 139334, 150052, 169624, 187565, 212030, 214360, 278668, 300104, 348335, 375130, 424060, 487669, 557336, 696670, 750260, 848120, 975338, 1393340, 1500520, 1950676, 2438345, 2786680, 3901352, 4876690, 9753380, 19506760]

約数ペア:

[(1, 19506760), (2, 9753380), (4, 4876690), (5, 3901352), (7, 2786680), (8, 2438345), (10, 1950676), (13, 1500520), (14, 1393340), (20, 975338), (23, 848120), (26, 750260), (28, 696670), (35, 557336), (40, 487669), (46, 424060), (52, 375130), (56, 348335), (65, 300104), (70, 278668), (91, 214360), (92, 212030), (104, 187565), (115, 169624), (130, 150052), (140, 139334), (161, 121160), (182, 107180), (184, 106015), (230, 84812), (233, 83720), (260, 75026), (280, 69667), (299, 65240), (322, 60580), (364, 53590), (455, 42872), (460, 42406), (466, 41860), (520, 37513), (598, 32620), (644, 30290), (728, 26795), (805, 24232), (910, 21436), (920, 21203), (932, 20930), (1165, 16744), (1196, 16310), (1288, 15145), (1495, 13048), (1610, 12116), (1631, 11960), (1820, 10718), (1864, 10465), (2093, 9320), (2330, 8372), (2392, 8155), (2990, 6524), (3029, 6440), (3220, 6058), (3262, 5980), (3640, 5359), (4186, 4660)]