19990804666

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1\times {\mathrm{1669}}^1$

素因数の和:2951

約数の個数: 64

約数和(自身を含む): 37101254400

約数和(自身を除く): 17110449734

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1217, 1406, 1669, 2434, 3338, 4921, 8519, 9842, 11683, 17038, 23123, 23366, 31711, 45029, 46246, 61753, 63422, 90058, 123506, 161861, 221977, 315203, 323722, 432271, 443954, 630406, 855551, 864542, 1173307, 1711102, 2031173, 2346614, 4062346, 5988857, 8213149, 11977714, 14218211, 16426298, 28436422, 38592287, 75153401, 77184574, 150306802, 270146009, 526073807, 540292018, 1052147614, 1427914619, 2855829238, 9995402333, 19990804666]

約数ペア:

[(1, 19990804666), (2, 9995402333), (7, 2855829238), (14, 1427914619), (19, 1052147614), (37, 540292018), (38, 526073807), (74, 270146009), (133, 150306802), (259, 77184574), (266, 75153401), (518, 38592287), (703, 28436422), (1217, 16426298), (1406, 14218211), (1669, 11977714), (2434, 8213149), (3338, 5988857), (4921, 4062346), (8519, 2346614), (9842, 2031173), (11683, 1711102), (17038, 1173307), (23123, 864542), (23366, 855551), (31711, 630406), (45029, 443954), (46246, 432271), (61753, 323722), (63422, 315203), (90058, 221977), (123506, 161861)]