19174120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 52001280

約数和(自身を除く): 32827160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 56, 62, 70, 94, 124, 140, 155, 188, 217, 235, 248, 280, 310, 329, 376, 434, 470, 620, 658, 868, 940, 1085, 1240, 1316, 1457, 1645, 1736, 1880, 2170, 2209, 2632, 2914, 3290, 4340, 4418, 5828, 6580, 7285, 8680, 8836, 10199, 11045, 11656, 13160, 14570, 15463, 17672, 20398, 22090, 29140, 30926, 40796, 44180, 50995, 58280, 61852, 68479, 77315, 81592, 88360, 101990, 123704, 136958, 154630, 203980, 273916, 309260, 342395, 407960, 479353, 547832, 618520, 684790, 958706, 1369580, 1917412, 2396765, 2739160, 3834824, 4793530, 9587060, 19174120]

約数ペア:

[(1, 19174120), (2, 9587060), (4, 4793530), (5, 3834824), (7, 2739160), (8, 2396765), (10, 1917412), (14, 1369580), (20, 958706), (28, 684790), (31, 618520), (35, 547832), (40, 479353), (47, 407960), (56, 342395), (62, 309260), (70, 273916), (94, 203980), (124, 154630), (140, 136958), (155, 123704), (188, 101990), (217, 88360), (235, 81592), (248, 77315), (280, 68479), (310, 61852), (329, 58280), (376, 50995), (434, 44180), (470, 40796), (620, 30926), (658, 29140), (868, 22090), (940, 20398), (1085, 17672), (1240, 15463), (1316, 14570), (1457, 13160), (1645, 11656), (1736, 11045), (1880, 10199), (2170, 8836), (2209, 8680), (2632, 7285), (2914, 6580), (3290, 5828), (4340, 4418)]