19589402872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{181639}}^1$

素因数の和:181736

約数の個数: 64

約数和(自身を含む): 42569150400

約数和(自身を除く): 22979747528

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 61, 68, 104, 122, 136, 221, 244, 442, 488, 793, 884, 1037, 1586, 1768, 2074, 3172, 4148, 6344, 8296, 13481, 26962, 53924, 107848, 181639, 363278, 726556, 1453112, 2361307, 3087863, 4722614, 6175726, 9445228, 11079979, 12351452, 18890456, 22159958, 24702904, 40142219, 44319916, 80284438, 88639832, 144039727, 160568876, 188359643, 288079454, 321137752, 376719286, 576158908, 753438572, 1152317816, 1506877144, 2448675359, 4897350718, 9794701436, 19589402872]

約数ペア:

[(1, 19589402872), (2, 9794701436), (4, 4897350718), (8, 2448675359), (13, 1506877144), (17, 1152317816), (26, 753438572), (34, 576158908), (52, 376719286), (61, 321137752), (68, 288079454), (104, 188359643), (122, 160568876), (136, 144039727), (221, 88639832), (244, 80284438), (442, 44319916), (488, 40142219), (793, 24702904), (884, 22159958), (1037, 18890456), (1586, 12351452), (1768, 11079979), (2074, 9445228), (3172, 6175726), (4148, 4722614), (6344, 3087863), (8296, 2361307), (13481, 1453112), (26962, 726556), (53924, 363278), (107848, 181639)]