19730620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 52553088

約数和(自身を除く): 32822468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 52, 65, 70, 74, 91, 130, 140, 148, 182, 185, 259, 260, 293, 364, 370, 455, 481, 518, 586, 740, 910, 962, 1036, 1172, 1295, 1465, 1820, 1924, 2051, 2405, 2590, 2930, 3367, 3809, 4102, 4810, 5180, 5860, 6734, 7618, 8204, 9620, 10255, 10841, 13468, 15236, 16835, 19045, 20510, 21682, 26663, 33670, 38090, 41020, 43364, 53326, 54205, 67340, 75887, 76180, 106652, 108410, 133315, 140933, 151774, 216820, 266630, 281866, 303548, 379435, 533260, 563732, 704665, 758870, 986531, 1409330, 1517740, 1973062, 2818660, 3946124, 4932655, 9865310, 19730620]

約数ペア:

[(1, 19730620), (2, 9865310), (4, 4932655), (5, 3946124), (7, 2818660), (10, 1973062), (13, 1517740), (14, 1409330), (20, 986531), (26, 758870), (28, 704665), (35, 563732), (37, 533260), (52, 379435), (65, 303548), (70, 281866), (74, 266630), (91, 216820), (130, 151774), (140, 140933), (148, 133315), (182, 108410), (185, 106652), (259, 76180), (260, 75887), (293, 67340), (364, 54205), (370, 53326), (455, 43364), (481, 41020), (518, 38090), (586, 33670), (740, 26663), (910, 21682), (962, 20510), (1036, 19045), (1172, 16835), (1295, 15236), (1465, 13468), (1820, 10841), (1924, 10255), (2051, 9620), (2405, 8204), (2590, 7618), (2930, 6734), (3367, 5860), (3809, 5180), (4102, 4810)]