18207812490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{399557}}^1$

素因数の和:399612

約数の個数: 96

約数和(自身を含む): 52473153024

約数和(自身を除く): 34265340534

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 465, 490, 651, 735, 930, 1085, 1302, 1470, 1519, 2170, 3038, 3255, 4557, 6510, 7595, 9114, 15190, 22785, 45570, 399557, 799114, 1198671, 1997785, 2397342, 2796899, 3995570, 5593798, 5993355, 8390697, 11986710, 12386267, 13984495, 16781394, 19578293, 24772534, 27968990, 37158801, 39156586, 41953485, 58734879, 61931335, 74317602, 83906970, 86703869, 97891465, 117469758, 123862670, 173407738, 185794005, 195782930, 260111607, 293674395, 371588010, 433519345, 520223214, 587348790, 606927083, 867038690, 1213854166, 1300558035, 1820781249, 2601116070, 3034635415, 3641562498, 6069270830, 9103906245, 18207812490]

約数ペア:

[(1, 18207812490), (2, 9103906245), (3, 6069270830), (5, 3641562498), (6, 3034635415), (7, 2601116070), (10, 1820781249), (14, 1300558035), (15, 1213854166), (21, 867038690), (30, 606927083), (31, 587348790), (35, 520223214), (42, 433519345), (49, 371588010), (62, 293674395), (70, 260111607), (93, 195782930), (98, 185794005), (105, 173407738), (147, 123862670), (155, 117469758), (186, 97891465), (210, 86703869), (217, 83906970), (245, 74317602), (294, 61931335), (310, 58734879), (434, 41953485), (465, 39156586), (490, 37158801), (651, 27968990), (735, 24772534), (930, 19578293), (1085, 16781394), (1302, 13984495), (1470, 12386267), (1519, 11986710), (2170, 8390697), (3038, 5993355), (3255, 5593798), (4557, 3995570), (6510, 2796899), (7595, 2397342), (9114, 1997785), (15190, 1198671), (22785, 799114), (45570, 399557)]