19611240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 45707160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 83, 88, 110, 120, 132, 165, 166, 179, 220, 249, 264, 330, 332, 358, 415, 440, 498, 537, 660, 664, 716, 830, 895, 913, 996, 1074, 1245, 1320, 1432, 1660, 1790, 1826, 1969, 1992, 2148, 2490, 2685, 2739, 3320, 3580, 3652, 3938, 4296, 4565, 4980, 5370, 5478, 5907, 7160, 7304, 7876, 9130, 9845, 9960, 10740, 10956, 11814, 13695, 14857, 15752, 18260, 19690, 21480, 21912, 23628, 27390, 29535, 29714, 36520, 39380, 44571, 47256, 54780, 59070, 59428, 74285, 78760, 89142, 109560, 118140, 118856, 148570, 163427, 178284, 222855, 236280, 297140, 326854, 356568, 445710, 490281, 594280, 653708, 817135, 891420, 980562, 1307416, 1634270, 1782840, 1961124, 2451405, 3268540, 3922248, 4902810, 6537080, 9805620, 19611240]

約数ペア:

[(1, 19611240), (2, 9805620), (3, 6537080), (4, 4902810), (5, 3922248), (6, 3268540), (8, 2451405), (10, 1961124), (11, 1782840), (12, 1634270), (15, 1307416), (20, 980562), (22, 891420), (24, 817135), (30, 653708), (33, 594280), (40, 490281), (44, 445710), (55, 356568), (60, 326854), (66, 297140), (83, 236280), (88, 222855), (110, 178284), (120, 163427), (132, 148570), (165, 118856), (166, 118140), (179, 109560), (220, 89142), (249, 78760), (264, 74285), (330, 59428), (332, 59070), (358, 54780), (415, 47256), (440, 44571), (498, 39380), (537, 36520), (660, 29714), (664, 29535), (716, 27390), (830, 23628), (895, 21912), (913, 21480), (996, 19690), (1074, 18260), (1245, 15752), (1320, 14857), (1432, 13695), (1660, 11814), (1790, 10956), (1826, 10740), (1969, 9960), (1992, 9845), (2148, 9130), (2490, 7876), (2685, 7304), (2739, 7160), (3320, 5907), (3580, 5478), (3652, 5370), (3938, 4980), (4296, 4565)]